Scientists said that the winter of 2011 was _____ cold, and in fact it was much colder than predicted.
| A．frozen | B．freezing |
| C．freezingly | D．froze |
What do you think ______ an apple ______ to the ground？
| A．cause， to fall | B．to cause， falling |
| C．causing， falling | D．causes， to fall |
Why do you think ______ cut down the big tree？
| A．we can't | B．can't we | C．that we can't | D．that can't we |
—— ______ if I smoked？ ——I'm sorry， but it's not allowed.
| A．Do you mind | B．Did you mind |
| C．Would you like | D．Would you mind |
Do you think his tie is _________？
| A．same as mine | B．the same as mine |
| C．the same as my | D．the same to my |
Mary said that she ___________ London.
| A．has never gone to | B．has never been to |
| C．had never been to | D．had never gone to |