1 . 袁隆平让人印象最深刻的是他不断实现梦想的能力。（运用主语从句）
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2 . 你昨天在会上说的话让我们感到振奋。（what引导的主语从句）
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3 . 后来使她成功的是她对所有病人献出的爱心和体贴。

4 . 你可能会感到惊奇，Charlie刚能说话时大人就教他如何唱歌，他刚能走路时就教他跳舞。

5 . It never occurred to me _____ you could succeed in persuading him to change his mind．

A．which

B．what

C．that

D．if

6 . 阅读下面句子，在空白处填入适当的内容（1个单词）或括号内单词的正确形式（每空至多3词）。
1. _______ comes from abroad must have a medical test for new coronavirus pneumonia.
2. You haven't answered my question _______ I can attend the meeting tonight.
3. Evidence has been found through years of study _______ children's early sleeping problem is likely to continue when they grow up.
4. Doctors usually write exact instructions _______ the medicine is taken.
5. My washing machine _______（repair）this week，so I have to wash my clothes by hand.
6. He is known _______（spend）18 years fighting for slaves.
7. In the 1950s in the USA，most families had just one phone at home，and wireless phones _______（not invent）yet.
8. The day will come _______ we’ll win the final victory.
9. _______ everyone hoped，Mary has won the first prize.
10. _______（expose）to sunlight for too much time will do harm to one's skin.

7 . ______ surprised the hostess most is _______ one of her friends left the party without saying a word.

A．What, what	B．What, that
C．That, that	D．That, what

8 .         Barbara Jones offers to her fans is honesty and happiness.

A．Which

B．What

C．That

D．Whom

9 . It is none of your business ________ other people think about you.Believe
yourself.

A．how	B．what
C．which	D．when