题目内容
A policeman found that an old man _______ so he telephoned an ambulance immediately.
[ ]
A.who was injured seriously
B.who had been injured seriously
C.seriously injured
D.was seriously injured
答案:D
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The taxi driver ________ and began to rob his passenger with a fruit knife when suddenly a policeman turned up.
| A.pulled away | B.pulled out | C.pulled over | D.pulled through |