21.I _____ to take a good holiday this year, but I wasn’t able to get away.
A hope
B have hoped
C had hoped
D hoped
参考答案：C
22.John and I ______ friends for eight years. We first went to know each other at a Christmas party. But we ______ each other a couple of times before that.
A had been; have seen
B have been; have seen
C had been; had seen
D have been; had seen
参考答案：D
23.The new suspension bridge _____ by the end of last month.
A has been designed
B had been designed
C was designed
D would be designed
参考答案：B
24. John was given the same suitcase his father and grandfather ____ with them to school.
A took
B had taken
C were taking
D would take
参考答案：B
25.When Jack arrived he learned Mary ____ for almost an hour.
A had gone
B had set off
C had left
D had been away
参考答案：D
26.Experiments of this kind ____ in both the U.S. and Europe well before the World War.
A have conducted
B have been conducted
C had conducted
D had been conducted
参考答案：D
27.The pen I ____ I ____ is on my desk, right under my nose.
A think; lost
B thought; had lost
C think; had lost
D thought; have lost
参考答案：B
28.She stared at the painting, wondering where she ______ it.
A saw
B has seen
C sees
D had seen
参考答案：D
29.They became friends again that day. Until then, they ____ to each other for nearly two years.
A didn’t speak
B hadn’t spoken
C haven’t spoken
D haven’t been speaking
参考答案：B
30.Helen ___ her key in the office so she had to wait until her husband ___ home.
A has left; comes
B left; had come
C had left; came
D had left;would come
参考答案：C
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