The policeman happened ______ the traffic when the accident happened.

admin2009-08-15  43

问题 The policeman happened ______ the traffic when the accident happened.

选项 A、to direct
B、directing
C、to be directing
D、to have directed

答案C

解析 happen后接不定式,表示正在进行时,用C的结构,答案为C。
转载请注明原文地址:https://kaotiyun.com/show/0ofd777K
0

最新回复(0)