He is really nervous. He back and forth all the night waiting for the results.A. has been walking B.

查询谷 - www.chaxungu.com

编辑：chaxungu时间：2026-04-27 03:02:51分类：高中英语题库

【题目】He is really nervous. He ______back and forth all the night waiting for the results.

A. has been walking B. had walked

C. walked D. is walking

在线课程

【答案】A

【解析】

试题分析：本句的时间状语是all the night整个晚上。句意：他真的很紧张，整个晚上她一直走来走去在等待结果。现在完成进行时表示动作的持续性和反复性。故A正确。