Question

英语单项选择

-Did you wait for Dad to come back for dinner yesterday? -No.I____so as he told me he would attend an important dinner party. A.don't need to do B.needn't do C.needn't have done D.didn't need to do

Answer 1

B
你昨晚等你爸爸回来吃晚饭了吗？----没有，我不需要等他因为他告诉我他要参加一个很重要的晚宴。
要用过去时态，但B选项的need是情态动词，和should的用法是一样的。而如果用didn't need也可以，不过，此时应为didn't need to do it .这是的do不是在情态动词后面，是固定搭配need to do sth.所以后面要加it

Answer 2

答案是D，我没有去做他因为他告诉我……，用过去式即可。

Answer 3

应该选D，昨天的事情。

Answer 4

这个选B，应该是的