( )1. ___________ a new library __________ in our school last year?
A. Is; built B. W as; 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（棉花） _________ 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. How many trees ____________ this year?
A. are planted B. will plant C. have been planted D. planted
