根据对话内容，从下面方框所给的选项中选出合适的句子补全对话，将其标号在答题卡上涂黑。

Alice: Hello?

Susan: Hello. 　41　

Alice: Yes, it is.

Susan: 　42　 　Would you like to go to the bookstore　

with me tomorrow? I’d like to buy some books.

Alice: Sorry. I don’t need any books. 　43　 　

I can read books on the Internet.

Susan: Yes, but you can’t always read on the computer. 　44　

Alice: Oh, I see.

Susan: And in the bookstore we can find many wonderful books.

Alice: OK. I’ll go with you. 　45　

Susan: What about three o’clock tomorrow afternoon?　

Alice: Great. See you then.

Susan: See you.

40. Mr Wang does what he can ________ us improve our English.

　 A. help　　　　　　　　　 B. to help　　　　　　　　　　 C. helping　　　　　　 D. helped

38. Many trees and flowers ________ in our city every year.

　 A. planted　　　　　　 B. are planted　　　　 C. were planted　　　 D. plants

37. The basketball ________ I bought yesterday cost me 80 yuan.

　 A. that　　　　　　　　　 B. where　　　　　　　 C. who　　　　　　　　　 D. when

36. Grandma is ill. I have to ________ her at home.　

　 A. look for　　　　　　 B. look up　 　　　　　 C. look at　　　　　　　　　　 D. look after