You______the experiment twice, not once.A、should have carried outB、shouldn’t ha

游客2025-03-22 5

问题 You______the experiment twice, not once.

选项 A、should have carried out
B、shouldn’t have carried out
C、haven’t carried out
D、couldn’t have carried out

答案 A

解析 “should+不定式完成式”表示“本应该做而实际没有做”的虚拟语气含义。

转载请注明原文地址:https://tihaiku.com/zcyy/4008801.html

相关试题推荐

随机试题

最新回复(0)

Theleadershould______everysuggestionworthyofcarefulconsiderationwhichis