45、Hurry up or we 　　　　 (be) late for class.

44、It takes him half an hour　　　　　　　　 (go) to work by bus.

43、It 　　　　 　　(snow) hard now. You’d better 　　　　　　　　　　 (stay) at home.

42、Have you finished 　　　　　　　　 (read) this book?

41、It’s not easy　　　　 (catch) fish with your hands only.

40、 “What makes you 　　　　　　　　 (think) I’m a farmer?” the Frenchman asked.

39、The boys　　　　　　 (have) a basketball match now. Let’s 　　　　　 (go) and 　　　　　　 (watch).

38、My father is very busy. He often 　　　　 (come) home late.

37、The students　　　　　　　　　　 (clean) their classroom tomorrow.

36、They 　　　　　 (build) a new bridge over the river next year.