题目内容

It worried Mary a lot__________she would pass the college entrance examinations.?

A.whether B.if C.that D.how?

解析:

此题考查whether引导主语从句，it在句子中作形式主语。?

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It worried her a bit _____________ her hair was turning grey

It worried her a bit ________ her hair was turning grey．

It worried her a bit that her hair_______ grey.

　 A. was turning 　 B. has turned C. turns 　 D. will turn

It worried her a bit _____________ her hair was turning grey.

A. which B. that C. if D. for