- It is necessary that the students ____ more excercises to do.
- Great as Newton was, many of his ideas ____ today and are being modified by the work of scientists of our time.
- As ____ clear from his manners, he is a teacher.
- ____ before we depart the day after tomorrow, we should have a wonderful dinner party.
- He concluded his speech with a remark that failure ____the mother of success.
- Every means ____ tried out but never with success, as far as my knowledge goes.
- ____ what may, we’re not going to make any concessions to his unreasonable demands.
- ____ is no reason for discharging her.
- ___ will Mr. Forbes be able to regain control of the company.
- One of the requirements for a fire is that the material ____to its burning temperature.
置顶