艾米骑自行车去上学。

Amy went to school by bike.

我们骑自行车去上学。

We ride our bikes to school.

你可以骑自行车去上学。

You can ride your bike to school.

我骑自行车去上学。

I go to school by bike.

我不是健身狂魔，也不是为了买报纸才去离我家50码的店，但是如果你去上学，为什么不骑自行车去呢？

I'm not a fitness maniac and I don't go to a shop which is 50 yards away from my house just to buy a newspaper, but if you go to school, why not go by bike?

他们每天骑自行车去上学。

They go to school by bike each day.

我们应该骑自行车去上学。我们不应该乱扔垃圾。

Wo should go to school by bike. It is a good way to protect our earth. We should't through the litter about.