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1._____ a new library _____ in our school last year? A. Is，built B. Was , built C. Does ; build D . Did ; build 2.An accident ____ on this road last week. A. has been happened B. was happened C. is happened D. happened 3.Cotton ____ in the southeast of China. A. is grown B. are grown C. grows D. grow 4.So far, the moon ____ by man already. A. is visited B. will be visited C. has been visited D. was visited 5.A talk on Chinese history _____ in the school hall next week. A. is given B. has been given C. will be given D. gives 6.A lot of things ____ by people to save the little girl now. A. are doing B. are being done C. has been done D. will be done | 
