题目内容

What the doctors really doubt is ________ his mother will recover from the serious disease soon.

A. when
B. how
C. whether
D. why

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These flowers are so special I would do _______ I can to save them.

A. that
B. Whatever
C. which
D. whichever

-- I drove to Zhuhai for the air show last week.-- Is that _____ you had a few days off?

A. why
B. when
C. what
D. where

There is a new problem involved in the popularity of private cars ______ road condition need ________.

A. which; to be improved
B. that; to be improved
C. Where; improving
D. when; improving

_____ we have achieved is attributed to the guidance of our parents.

A. Whoever
B. Whatever
C. However
D. Whichever

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