In order to find the missing child, villagers ________ all they can over the pas

题型：专项题难度：来源：

In order to find the missing child, villagers ________ all they can over the past five hours.[     ]
A. did
B. do
C. had done
D. have been doing

答案

举一反三

The manager ________ the workers how to improve the program since 9 am.[     ]
A. has told
B. is telling
C. has been telling
D. will have told

题型：专项题难度：| 查看答案

Now that she is out of work, Lucy        going back to school, but she hasn"t decided yet. [     ]
A. had considered
B. considered
C. has been considering
D. is going to consider

题型：河北省月考题难度：| 查看答案

I"m tired out. I _____ all afternoon and I don"t seem to have finished anything.
A. have been shopping
B. shopped
C. have shopped
D. had shopped

题型：月考题难度：| 查看答案

The number of foreign students attending Chinese universities        rising steadily since 1997. [     ]
A. is
B. has been
C. are
D. have been

题型：贵州省期中题难度：| 查看答案