| 1. 语法填空 | |
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What caused the serious traffic accident (remain) unknown.
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| 2. 语法填空 | |
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It is a pity we won't be able
to go camping this Sunday.
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| 3. 语法填空 | |
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Whoever (pollute) the
environment will be punished.
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| 4. 语法填空 | |
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we shall be late is certain.
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| 5. 语法填空 | |
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It is not sure he will come to
your house or not.
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| 6. 语法填空 | |
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The deadlines and you need to
apply depend on the program.
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| 7. 语法填空 | |
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you need is a great teacher who
lets you make mistakes.
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| 8. 语法填空 | |
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It's possible we all have
compromised conversational intelligence.
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| 9. 语法填空 | |
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is a fact that the earth is
round.
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| 10. 语法填空 | |
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parents say and do has a
lifelong effect on their children.
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