1.Listen to the winds. We ________ have a rough crossing on the bridge.            
A. will                           B. are to                           C. are going to                           D. are about to
2.Tom's new watch ________ hands are made of gold is quite expensive.            
A. that                                B. which                                C. whose                                D. of which
3.Amy thought it was __________ to read English newspapers every day so she subscribed to(订阅) the 21stCentury.            
A. worth                           B. worthwhile                           C. worthless                           D. worthy
4.You shouldn't allow ______ games near the classroom, for it's too noisy.            
A. student playing                      B. play                      C. students to play                      D. to play
5.With a lot of difficult problems ________, the manager felt worried all the time.
A. settled                           B. to be settled                           C. settling                           D. to settle
6.— Many boats near the seaside were destroyed by the wind.
— Well, the wind _______ very strong.
A. can be                   B. should be                   C. must have been                   D. need have been