题目内容

The reason why he ___ to the meeting is that he is a senator.

A. ought
B. ought go
C. ought to go

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Dave loves chocolate, but he ___ too much or he will get fat.

A. Should eat not
B. shouldn’t eat
C. should eat

“I think that the grade my teacher gave me on my test is wrong.”“Really? You ___ to her after class today.”

A. oughtto talk
B. shouldto talk

“Mom, I don’t want to clean my room. ___ do it right now?”“Yes, right now.”

A. must I
B. have I
C. Do I have to

“_ pay to see the doctor?”“No, she _ . She has medical insurance.”

A. Do your sister have to; don’t
B. Must your sister; mustn’t
C. Does your sister have to; doesn’t