14.??We ___ so far ten passages. A. cover B. covered C. are covering D. have covered ...

7.??--- I don’t know Why he is late. --- Nor do I. he _____ an accident. A. could have had B. should have had C. might have had D. must have had ...

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 ...

22.??A lot of ants are always invading my kitchen. They are a thorough ___. A. nuisance B. trouble C. worry D. anxiety ...

17.??All ____ is a continuous supply of the basic necessities of life. A. what is needed B. for our needs C. the thing needed D. that is needed ...

12.??How many more exercise-books do you have ___? A. to correct B. to be corrected C. for correcting D. corrected ...

7.??The textbook was compiled ten years ago. It needs ___. A. revised B. being revised C. revising D. revise ...

2.??_______you disagree with her, her idea is still worth considering A. Even if B. If only C. Instead of D. Despite of ...

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

17.??The_____father beat his son red and blue, for the boy had said so many_____ things . A. annoying,annoyed B. annoyed,annoying C. annoying,annoying D. annoyed,annoyed ...