搜搜做题作业网为什么选C不选A呢 请帮忙解释一下 好吗
来源：学生作业帮 编辑：搜搜做题作业网作业帮 分类：英语作业 时间：2024/07/09 15:24:15
为什么选C不选A呢 请帮忙解释一下 好吗
?The policeman happened the traffic when the accident happened.
〔A〕 to direct
〔B〕 directing
〔C〕 to be directing
〔D〕 to have directed
?The policeman happened the traffic when the accident happened.
〔A〕 to direct
〔B〕 directing
〔C〕 to be directing
〔D〕 to have directed
happen to 是碰巧的意思,句子意思是当事故发生时,交警正在指挥交通!C才能表达正在进行的意思!