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 __________________.

3.　　 The most difficult part of the game must be______________.

2.　　 He enjoys curling because he likes ________________on real ice and it’s also _____________.

1.　　 David plays for __________and ____________in Scotland.