They______us since five o’clock this morning until now.A、are helpingB、helpC、ha

游客2025-03-10 28

问题 They______us since five o’clock this morning until now.

选项 A、are helping
B、help
C、have helped
D、have been helping

答案 D

解析 since five o’clock this morning until now自从今天早上五点钟直到现在，这一段时间一直在帮助我们。

转载请注明原文地址:http://tihaiku.com/zcyy/3990460.html

相关试题推荐

随机试题

最新回复(0)

Shopassistant:Goodmorning.CanIhelpyou?Customer:________.I’mjustlookin