I'm too tired, so I ________ sit down and rest every five minutes.

题型：单选题题类：常考题难易度：普通

人教新目标版八年级上册Unit9 Can you come to my party? Section A同步练习

A、must B、had to C、have D、have to

举一反三

— No,you _________.

— Sorry, I __________. I __________ take care of my little sister because my mother is out.

—It_______ a hotel. But I'm not sure.

— I'm afraid you ________. It's a non-smoking area.

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