单项选择题

At the party, everybody congratulated the scientist () winning the award after his years of hard work.

A. to
B. on
C. at
D. about

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单项选择题

Unexpectedly, he ()at her birthday party. All of us thought he wouldn't come.

A. turned up
B. turned down
C. turned in
D. turned out

单项选择题

He could repair the car himself but he would rather his son () it.

A. do
B. to do
C. did
D. has done

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