| 1. 难度：中等 | |
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—AU the villagers________the fight against the big flood，________young and old，men and women． —It’s really very brave of them to do so． A．joined；including B．joined in；included C．joined in；including D．joined；included
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| 2. 难度：中等 | |
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He is________to lift the bag full of rice onto the truck． A．enough strong B．too strong C．so strong D．strong enough
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| 3. 难度：中等 | |
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The dinner didn’t start________all the friends arrived． A．since B．until C．while D．by
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| 4. 难度：中等 | |
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What________is the most helpful invention？ A．you think B．I think C．you do think D．do you think
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| 5. 难度：中等 | |
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________it rains heavily，they go on working outside． A．How B．Why C．Although D．What
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| 6. 难度：中等 | |
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She put back the book she had taken________mistake． A．in B．up C．to D．by
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| 7. 难度：中等 | |
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We are very proud of these national________(英雄)．
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| 8. 难度：中等 | |
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—A number of students________in the dining hall． —Let me count．The number of the students________about 400． A．are；is B．is；are C．are；are
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