( )1._ a new library _ in our school last year? A.Is; builtB.Was; bulitC.Does; buildD.Did; build( )2.An accident _ on this road last week. A.has been happenedB.was happenedC.is happenedD.happened( )3.Cotton _ in the southeast of China. A.is grownB.are grownC.growsD.grow( )4.So far,the moon _ by man already. A.is visitedB.will be visitedC.has been visitedD.was visited( )5.A talk on Chinese history _ in the school hall next week.