题目内容

The airline only allows two pieces of luggage. You ___ pack too much or you will have to take it out at the airport!

A. had better not
B. better not
C.had not better

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A gentleman ___ his hat and hold it in his hand when a lady enters the elevator.

A. Should put on
B. should to take off
C. should take off

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

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

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

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