题目内容
(2005苏州市)
--- Did you see the traffic accident yesterday?
--- Yes. It happened when I ________ past the museum.
[ ]
A.walk
B.am walking
C.will walk
D.was walking
答案:D
解析:
解析:
考查前后时态一致。由句中 happened及句意可知D项正确。 |

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