2 . Does it matter ________ will represent us to attend the meeting?

A．you think whoever

B．who do you think

C．you think

D．who you think

3 . 这个印象派作品的展览到下周末就结束了，太令人遗憾了。(pity)

5 . 正是因为学习方法因人而异，所以在学习和生活中适合你的不一定就适合我。（vary）(汉译英)

6 . 对我们来说，真正重要的是经过坚持不懈的努力获得最后的成功。(matter) （汉译英）

7 . Directions: Rewrite the following sentences, using subject clauses.
1. What do we need? We need careful preparation.
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2. Which one of the books is the most suitable? We are not certain about it.
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3. When the new museum will be open to the public? We haven't decided yet.
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4. Who will go with us? It makes no difference.
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5. How did the accident happen? It is still not clear.
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6. Will the FIFA World Cup be held in China one day? It remains unknown.
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7. Where will the singer have her concert? It hasn't been announced.
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8. Why did the dinosaurs die out? It remains a puzzle.
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9. Light travels in straight lines. It is known to all.
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10. I happened to meet him in the book store yesterday.
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