英語自由作文の添削してください。

名無しさん＠英語勉強中

自転車は車道を走るべきか、歩道を走るべきかあなたの意見を交えて述べなさい。100から150文字以内。
I think which roads should ride on depend on the situation at that time.
Not only people who ride on their bicycles on the street with many cars are very dangerous.but also people who ride on their bicycle on the sidewalk as many people who walk on are very dangerous.
to solve this problem, they should switch the roads. when a few people on the street, they can ride their cycle on there.
when a few cars on the street, they can ride on their bicycle on there.
moreover, the government should have class what to do this situation.