2.Stop writing. It’s time that you ___ your papers. A. must hand in B. have to hand in C. could hand in D. handed in ...

15.The writer has published many books,______ are well received by the readers. A. none of whom B. all of which C. neither of who D. one of which ...

9.Her smile has a mysterious ___. A. understanding B. explanation C. indication D. implication ...

3.The order came ___the soldiers ____the small village the next morning. A. that; had to leave B. That; should leave C. / ;must leave D. when ;should leave ...

22.In the meantime, the question facing business is whether such research is ___ the cost. A. worth B. worth of C. worthy D. worthwhile ...

16.She has bought _____ bananas for us. A. a pile of B. a set of C. a piece of D. a bunch of ...

10.Agriculture is the_____of the national economy. A. fountain B. foundation C. framework D. frontier ...

4.He was pursuing his _____ of collecting stamps for so many years. A. like B. hobby C. love D. fun ...

23.Myra _____ tears when she learned her husband had been injured in an accident． A. broke out B. broke in C. broke through D. broke into ...

17.He _____to find himself in a dark room. A. wake B. wakened C. raised D. awakened ...