1．The rats are ________．
2．What are you looking ______
3．What are you doing, Daming I’m _________ an email to my friend.
A. send B. sends C. sending
4．Listen! She _______ in the classroom.
A. is singing B. sing C. to sing D. is sing
5．Is she _______ something
A. eat B. eating C. eatting D. eats
6．My dictionary _______, I have looked for it everywhere but still _______ it.
A. has lost； don’t find B. is missing； don’t find
C. has lost； haven’t found D. is missing； haven’t found
7．Nowadays science and technology _______ so rapidly.
A. is changing B. has changed
C. will have changed D. will change
8．The building _______, I can’t stand the noise.
A. was being built B. is built
C. is being built D. builds
9．I can’t catch up with the fashion, because the clothes style _______ all the time.