题目内容：

1.Can you tell me ____a post office near here?
A.whether is there B.that is there C.if there is D.what them is
我选的a 为什么
2.Father said such a thing _____to happen again.
A.ought to be not allowed B.ought not to be allowed
C.ought to be allowed not D.not ought to be allowed
我选a 但是一开始我就把bc排除了 为什么
3.my dog has never _____anyone,except when provoked.
A.bitten B.bit C.biting D.bite
这个我虽然选对了但是不知道为什么要用过去式

优质解答

1 if 和whether 都可以,但从句需要用陈述语句
2 ought to do应该做ought not to do 不应该做
3.has/have/had done 是现在完成时,加过去分词