單項(xiàng)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


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

A.See
B.To see
C.Saw 
D.Seeing

2.單項(xiàng)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

3.單項(xiàng)選擇題When Jack arrived, he learned Mary （） for almost an hour.

A.had gone
B.had  set  off
C.had  left
D.had  been  away

4.單項(xiàng)選擇題（）what she would do, she didn't say anything.

A.Ask
B.Asking 
C.Asked
D.To ask

5.單項(xiàng)選擇題Be quiet! They （） a meeting in the next room.

A.are  having
B.have
C.were  having
D.will   had