精选优质文档-倾情为你奉上一、单项选择。( )1. One or two man-made satellites _ in our country every year. A. have been sent up B. will be sent up C. is sent up D. are sent up( )2. Our TV set _ yesterday. A. is repaired B. was repaired C. had been repaired D. would be repaired( )3. A new building _ in our school next year. A. will be builtB. is built C. is being built D. has been built( )4. Many books on science _ since I went t
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