Tom's mother always told him not to smoke again, but ______ didn't help.

单项选择题—Excuse me, where is the nearest bookshop, please —Sorry, I don't know. —______.

单项选择题The police still haven' t found her, but they' re doing all they （）

A. may
B. can
C. must
D. will

单项选择题Nobody but Jane ______ the secret.

单项选择题The issue is how to ______ of radioactive waste.

单项选择题There would be not a good harvest of wheat in North China this year（）the big snow.

A. in spite of
B. apart from
C. due to
D. in case of

单项选择题In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.

单项选择题This coastal area ______ a national wildlife reserve last year.

单项选择题Advertisements give us ______ about products, such as their prices and uses.

单项选择题—When shall we restart our business —Not until we（）our plan.

A. will finish
B. are finishing
C. are to finish
D. have finished

单项选择题In some remote places there are still very poor people who can't afford to live in ______ conditions.