1.He said,"---a long way to school.---a long way to go befor

1.He said,"___a long way to school.___a long way to go before we arrive."答案是C为什么不选BA.It is;It is B.There is;It is C.It is;There is D.There is；There is2.Tom's mother kept telling him that he should work hard,but___didn't help.答案是D为什么不选AA.he B.which C.she D.it 3.It is difficult to get used___in a tent after having a soft,comfortable bed to lie on.答案是B为什么不选DA.sleep B.to sleeping C.slept D.to sleep4.Could you tell me how many times___to Singapore?答案是D为什么不选CA.had you been B.did you go C.have you been D.you have been