1.The book costs me 20 dollars.
2.He does not like the bike at all.
3.He fell asleep in class this morning.
4.It is important to learn English well.
5.There are different kinds of books in the library.
6.I will pay for the food.
You need to pay 2 dollars for your food.
7.Could you help me (to) clean the blackboard?
8.Study hard,or you will fall behind others.
9.Our teacher makes me interested in English.
10.I make progress in English.
11.I learn piano by reading books.
12.I’ve never heard of him.
13.Please find out when the train starts.
14.It is raining outside.How about playing chess?
15.He makes friends with a Canadian girl.