—Why did Miss Wang look so worried?
—Because she wondered____.
A. where did the other students go
B. when would the policeman come
C. what her students have done during the trip
D. if her students had survived the earthquake
In spring, the park____with travelers.
A. crowds B. crowded C. is crowded D. is crowding
I bought____for my mother on Mother’s Day this year.
A. special anything B. anything special
C. special something D. something special
—It took me nearly two hours to walk here.
—Have a rest then. You____be tired.
A. can’t B. must C. mustn’t D. can
The man was so exhausted that he fell____at once.
A. sleepy B. sleep C. sleeping D. asleep
All the students are talking and laughing in the classroom and it’s____.
A. noisy B. lonely C. quiet D. strict