Many of us ride bikes to school.And more and more省略,是个首字母填空,

首字母在啥子地方?And more and more adults ride to work 1(此处）of driving (后面还有很多）此处应该填instead后面还有很多你的把题都给我才行。这个我知道，我现在给你The clips can p填空 your trousers from getting into the chain.Some people have a milometer on their bikes as w填空 . It shows how many miles they ride .Bikes in China have stands at the back .But such stands are r填空 in the UK. Of course there is something in common . that is to ride c填空 and keep yourself safe 全在这了，帮我下provent, wheel (? 不太确定), rare, carefully