| 1. 难度：中等 | |
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Her birthday is ________ spring. This is the most beautiful season of a year. A.in B.at C.on D.from
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| 2. 难度：简单 | |
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My parents often go to the movies ________ Saturday evenings. It's one of their habits. A.on B.in C.for D.at
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| 3. 难度：简单 | |
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I am looking after Tom now. He has had a fever ________ 8：00 this morning. A.at B.since C.for D.till
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| 4. 难度：中等 | |
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Be careful when you cut vegetables ________ the knife, or you may hurt yourself. A.with B.at C.on D.for
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| 5. 难度：简单 | |
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My grandpa used to know the world ________ the radio. Now he can get more information about our society on the Internet. A.on B.by C.in D.with
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| 6. 难度：简单 | |
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The children are playing the hide and seek. Jack is hiding himself ________ a box. A.in B.on C.over D.through
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| 7. 难度：简单 | |
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What good news! They will build a bridge ________ the river in front of my house. A.across B.through C.over D.under
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| 8. 难度：简单 | |
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Could you please give me a hand? I can't complete the task on time ________ your help. A.after B.besides C.during D.without
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| 9. 难度：简单 | |
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More and more people choose to go to work b________ subway. It's convenient and fast.
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| 10. 难度：简单 | |
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If you want to interview the famous star, I think you need to learn more a________ him.
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| 11. 难度：简单 | |
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Don't worry. The next car will come i________ 5 minutes.
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| 12. 难度：简单 | |
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Please don't drink plenty of cold water a________ doing sports. It's bad for your health.
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| 13. 难度：简单 | |
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This is the best thing you've ever done. I'm so happy f________ you.
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| 14. 难度：中等 | |
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Jerry is _________ today. He needs to clean the blackboard and the classroom. A.on duty B.on fire C.on business D.on sale
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| 15. 难度：中等 | |
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We don't know why Tom is so worried. It's not his problem________． A.in person B.after all C.thanks to D.at least
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| 16. 难度：中等 | |
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I'm so sorry to take your book ________. Here you are. A.by bike B.by mistake C.by chance D.by accident
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| 17. 难度：中等 | |
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Mike's mother sent a letter to Mike. He signed for it ________ person this morning.
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| 18. 难度：中等 | |
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After listening to those wonderful songs, people cheered him warmly ________ once.
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