- When do you think ______ start the new attack?
- During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century.
- ______ which way to take, the little boy behaved like a real gentleman who comforted his sister from time to time.
- He doesn't know what to say, for it is the first time that he ______ with a girl.
- There were many more people who got injured in the big fire than _______.
- There were many more people who got injured in the big fire than _______.
- This robot is supposed to save a lot of labor, but it remains a problem if it ______.
- George applied for the position three times ______ he finally got it.
- With his eyes ______ on the family album, he thought of the fun he had when he lived with his parents.
- Postage ______, the necklace will cost you at least 650 yuan.
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