先看题，再决定怎么练

After the winter vacation, I had to move to a new city with my parents. On the first day to my new school, it was cold and 21． . I was walking alone slowly 22． worrying about something in my new school. It was early and

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20． You should be careful when you see the sign. A． B． C．

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19． Traditional Chinese medicine works ____. More and more people believe it.

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18． Hainan is famous ____ its beautiful beaches. Many tourists visit it every year.

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17． We must get up at 7:00 tomorrow morning, ____ we'll be late for the train.

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16． Don't ____ rubbish everywhere. It's everyone's duty to protect the environment.

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15． —The old man never feels lonely, ____? —No, because he has many friends.

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14． —Could you please sweep the floor, Daming? —____ I'm busy cooking.

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13． Li Lei is the ____ of the three boys. He always helps us.

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12． ____ Jake ____ his mother likes pop songs, and they often sing together.

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11． He found ____ very interesting to visit Harbin in winter.

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10． —Li Lei won the first place. ____ good news it is! —Yes, we're all happy for him.

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9． Tom has been in Shanghai for five years, so he can speak ____ Chinese.

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8． —The book is worth reading. How long may I ____ it? —____ a week.

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7． With the development of the technology, nobody knows ____ the world will be like.

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6． —Must I answer this question in English? —No, you ____.

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5． Two ____ dollars is enough to buy the bike, but I can't afford ____ it.

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4． —Lucy, where is Mr. Wang? —Hе ____ Beijing to attend a meeting.

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3． While we ____ an English song, some visitors came into our classroom.

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2． It makes me ____ to watch National Women's Volleyball Team's matches.

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