2.I’m sure that they had a reading contest. (保持句意不变)

They ________ ________ had a reading contest.

1.Someone is knocking at the door. (改为反意疑问句)

Someone is knocking at the door, ________ ________?

6.The baby has fallen ________.(sleep)

5.We were very sad when we know that the concert tickets ________. (sell)

4.He knows very well the news will ________ the whole nation. (affection)

3.The mother was ________ to the young lady for offering the seat. (thank)

2.I want to make ________ study in America. (far)

1.Mary’s answer was ________, but mine was right. (correct)

20.(　　 )It's really _________ of you to give us so much help．

A．helpful　　　 B．kind　　　　　 C．kindness　　　 D．useful

19.(　　 ) Four _­­­­______ the students in our college will graduate next year.

A. hundred　　　 B. hundreds　　　 C. hundred of　　 D. hundreds of