3.　　 将汉语句子译成英语。

2.　　 将画线的英语句子译成汉语。

1.　　 If some students talk loudly in the library,you could say politely , “_____________________”

99.If people drive little cars _______________of the big ones,there will be less air pollution.

98.A little car’s size of tomorrow may be ____________third of today’s one car’s usual size.

97.In the _______________,little cars will cost much less to own and to drive.

96.In cities ,________________is a big problem for those people who have cars.

4.　　 A curling game can go on for __________________.