Question

I enjoy the party very much, but I_______ go home. It's too dark.

[　　]

A．leave to

B．may

C．mustn't

D．can't

Answer 1

答案：A
解析：

點撥：本題考查情態(tài)動詞must及have to的用法辨析，通讀全句可知“必須”回家的原因是“It's too dark”，是客觀因素，而不是發(fā)自內(nèi)心的，即“have to”。