A linguistic theory is constructed about what ______ is and how it works.

We refer to the limited range of sounds as the phonic medium of language and individual sounds within that range as ______.

The basic unit in the study of morphology is ______.

The syntactic rules of any language are ______ in number.

Bloomfield drew on ______ psychology when trying to define the meaning of linguistic forms.

______ of a sentence depends on the context in which the sentence is uttered.

Modern English words man, woman, child, eat, fight, etc, originate from ______.

______ moves on a scale of the national language, dialects, and individual ways of communication.

Lying under the skull, the human brain contains an average of ten billion nerve cells called ______.

By "language acquisition is primarily the acquistion of the grammatical system of language", linguists mean that ______.

I was writing a report last night; ________ I would not have stayed up late.

He talked a lot about things and persons ________they remembered in the school.

Country life is better than city life ________ it offers fresh air and noiseless environment

The old couple have been married for 40 years and never once _______ with each other.

_______ is a fact that English is being accepted as an international language.

I asked him to ________ me a few minutes so that we could go over all the problems.

Younger children are curious ________ how things work ，and many of them want to take apart everything within their reach.

_______ for the free ticket, I would not have gone to see film so often.

The other timing system belongs in our internal clocks，which，left ________，would tie the body to a 25-hour rhythm.

The engineer ______ my father works is about 50 years old.

There is a growing body of evidence to support the fact that most people suffer from a lack of daydreaming _______ an excess of it.

The volunteers would rather go by train than ________.

―________ fine day it is today!

Children have a natural ________ about the world around them.

Johnson was ________ unknown before running for the presidency.

It is not decided ________ the conference will be held.

The conclusion from the study is not definite; it is just ________.

I don ’t mind _______ the decision as long as it is not too late.

This is an important problem _______ too few social scientists have researched.

There is a deadlock(僵局) in the discussion when neither side gives ________ to the other.

These two alarm clocks are normally set together, but now they have been reset a few hours _________.

Weather _______, we ’ll go out for a walk.

The reply, when it finally came, was ________ the negative.

He said that the group ________ him a letter and asked him to go there for an interview.

The thief took away the woman ’s wallet without ________.

It was a small place then compared to _______ it is now.

If payment is not received, legal action will be our only ________.

If you are walking away from a clock tower ，you will hear the ticking of the clock fade to a point ________ it cannot be heard.

We ________ go out to restaurants, but mostly we eat at home.

Linguists can concentrate on all the aspects of language at once.

In classifying the English consonants and vowels, the same criteria can be applied.

A compound is the combination of only two words.

Well-arranged sentences are considered grammatical sentences that are formed following a set of syntactic rules.

According to the "principles-and-parameters" theory, "principles" refer to highly abstract properties of grammar which are applied to language in general and which generate phrases and at the same time restrain the power of Move a, while "parameters" allow general principles to operate in certain restricted ways, according to which particular grammars of natural languages vary.

Searle's classification of illocutionary acts is based on the classification of performative verbs.

The division of English into Old English, Middle English, and Modern English is nonconventional and not arbitrary.

From the sociolinguistic perspective, a speech variety is no more than a dialectal variety of a language.

Research findings have shown that language processing centers are situated in a single area of the left hemisphere.

Empirical studies show that the process of SLA is a process of constructing and modifying rules of communication.