When I was walking in the street ,I saw a plane _____over my head_英语解答

When I was walking in the street ,I saw a plane _____over my head.
A.flies B.flying C.flew D.to fly

人气：380 ℃　时间：2020-03-22 09:39:17

解答

B
表示正在发生的动作
see sth.do看到整个过程
see sth.doing看到正在进行的