5. After Yang Liwei succeeded in circling the earth, which our astronauts desire to do is walk in space.

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6. Whatever leaves the room last ought to turn off the lights.

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7. Why they will solve the serious problem today has not been decided.

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8. When will win the English competition is still a question.

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9. How our spring sports meet will be held or not this week is not known yet.

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10. It's strange when he should have gone away without telling us.

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11. Who will do the job haven't been decided yet.

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12. What he took with him was two books.

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【答案】

Ⅲ. 完成句子

1. 这个计划是否会实施还不知道。

　________ ________still unknown________the plan will be carried out.

2. 最令人满意的是他们按时完成了工作。

________ ________ ________ ________ ________was that they finished the work on time.