| 1. 难度：简单 | |
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I still remember there used to be _______ underground cave. My friends and I often had fun in_______ 18-foot-deep cave. A. an; the B. a; the C. an; an D. a; an
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| 2. 难度：简单 | |
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Mother thinks cooking and cleaning much time every day. A. cost B. pay C. take D. spend
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| 3. 难度：简单 | |
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Learning English can make _________ to talk with foreigners. A. you easier B. you more easily C. it easier for you D. it more easily for you
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| 4. 难度：中等 | |
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_________ of the girls in our school had better achieve a balance between work and play. A. Every B. Either C. Every one D.B&C
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