—Is Steven still in Hainan for his winter vacation?
—No, he_____ Hainan three times, he won’t go there again.
A. has gone to B. has been to C. has been in D. went to
The lift is so crowded that there is no more _____to stand in.
A. room B. a room C. rooms D. any rooms
My father often encourage me _____
A. no to smoking B. give up smoke
C. not to give up smoking D. not to smoke any more
The meeting is very important. We ____ be late.
A. needn’t B. can’t C. may not D. mustn’t
I’ve found some pictures of the most interesting places ______ you can visit during the winter holidays.
A. where B. that C. which D. what
The river smells terrible. People_______ dirty things into it .
A. must stop to throw
B. must stop from throwing
C. must be stopped to throw
D. must be stopped from throwing