It musk be he that has stolen Mr. Smith’s purse. __________?
| A．Hasn’t he | B．isn’t he | C．mustn’t it | D．isn’t it |
Look! It was at the gate of this cinema _____ I waited for her for two hours.
| A．where | B．that | C．what | D．which |
The huge doll she gave me is _____ the one I had bought for her.
| A．three times the size of | B．three times as bigger as |
| C．as big three times as | D．bigger than three times |
— Have you finished your paper?
— Not yet. It will be another two weeks _____ I can get it done.
| A．when | B．since | C．while | D．before |
People are paying more and more attention to the environment _____ they live.
| A．that | B．what | C．where | D．when |
Chang’e-3 made China become the third nation _____ an unmanned spacecraft on the moon.
| A．sends | B．to send |
| C．sent | D．sending |