根据对话内容，从方框内选择合适的句子补全对话

A: What’s that?

B: (1)_________

A: When was it invented?

B: (2)_________

A: How did it work?

B: (3)_________ They pushed the pedals (踏板) down hard with their feet. (4)_________

A: What was it made of?

B: It was made of wood. (5)_________

A: Yes, I never saw such a machine before.

阅读短文，从方框中选择适当的词填空（每次限用一次）

将下列5段对话按一定的逻辑顺序排列。　
A　The men were tired and stopped pushing .Other people behind the van were angry because they could not move their cars .Nobody knew what to do .Just at that time ,a little girl came and said something to the van driver in low voice .Then he smiled and went back to the van .Tow minutes later ,the van driver drove the van out easily .
B  Can you guess the girl’s idea ? In fact ,she just said ,“Let the air come out the tires(轮胎),then the van will be lower .”How clever the girl is !
C  A few minutes later, a truck arrived from the garage .The truck pulled and the men pushed ,but the van did not move .
D  The sign on the bridge said “Danger. Low bridge”, but the driver of a van (箱式货车) did not see the sign. So he drove the van under the bridge. There was a terrible noise, and the van suddenly stopped.
E  The drive tried to go back, but he could not move the van .Some men nearby tried to help him. They pushed and pushed, but they still could not move the van .

阅读短文，从方框中选择适当的词填空（每次限用一次）

This morning a big rock was in the way. (86)_____knew where it was from. All the cars had to go(87) _____it. Ben saw the rock. He tried to move it. (88)_____it was so heavy. He called three of his (89)______to help. Little by little the rock was moved out of the street. They pushed it to a nearby park. Ben was (90)_____ to see people sit on the rock in the park.