單項選擇題I’ve come to ask him for the book. That’s why I （） wait until he comes back.

A.need
B.should
C.oughtto
D.have   to


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2.單項選擇題I （） help. I can do it myself.

A.need    to
B.don’t    need
C.needn’t
D.need

3.單項選擇題Since the road is wet,（） last night.

A.it   must   have  rained
B.it   must   rain
C.it   must   be    raining
D.it   must   have   been  raining

4.單項選擇題（）that it was raining, he put on his raincoat.

A.See
B.To see
C.Saw 
D.Seeing

5.單項選擇題When did you see her? What （） then?

A.was she doing
B.did  she  do
C.is  she  doing
D.has  she   hone