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He fell off the bike yesterday．But ________(幸运的是)，he didn’t get injured．

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It’s difficult to make a ________(预测)about the future．

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They have so many lessons to take these days．They don’t get home u________ 7 pm．

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If you become a professional athlete, you’ll be able to m________ a living doing something you love．

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My father will help me to o ________ my birthday party．

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Are you for or a________ the idea?

The t　　 month of the year is December．

We are working hard to make our country s　　 and rich．

To the doctors，the most important thing is to s　　 lives．

What's your f　　 subject？I like maths best．