I’m green at everything.—Don’t worry. ______ you get older，you will get more experience.

下列各句中，没有语病的一句是（ ）

________ is it from your home to school —-Three kilometers.

I think students should have mobile phones to call their parents.—___________. They often use them to play games, instead.

When Nanjing Metro Line 3 came into use, it became much to travel from the north of the Changjiang River to the city centre.