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單項(xiàng)選擇題

He is（）about his chances of winning a gold medal in the Olympics next year.

A.optimistic
B.optional
C.outstanding
D.obvious

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We agreed to accept（）they thought was the best tourist guide.

A.whatever
B.whomever
C.whichever
D.whoever

單項(xiàng)選擇題

Wouldn't you rather your child（）to bed early?

A.go
B.went
C.would go
D.goes

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