--Do you know how many students ____ in the classroom? --____.
A. are there;nobody B. are there;none C. there are;nobody D. there are;none
So many kinds of sweets! I really can’t decide ______.
A. what to buy B. which to buy C. to buy what D. to buy which
____ will our world ____ if there is only white and black?
A. What;be B. What;be like C. How;like D. How;be like
There are many boys ____ football on the playground ____ with grass.
A. playing;covered B. to play;covered C. playing;covering D. to play;covering
She feels uncomfortable, ____?
A. doesn’t she B. does she C. isn’t she D. is she
Millie is not in the classroom now. She _____ to the playground with Amy.
A. went B. has been C. has gone D. goes
