21. She hasn’t grow maize for a long time .
=> It’s_____________________________
=> She last_____________________________
=> The last_____________________________
22. He started to wear this shirt at Lan’wedding .=> He has_________________________
23. This is the first time she has ever written a poem.=> She has_____________________
34.Learning a little English is not difficult .=> It’s_____________________________
35. You ought to catch a bus home .=> It’s time _____________________________
36.I didn’t speak English as well as her.=> She_____________________________
37. She went to bed early because she felt tired .=> She went________________________.
38. Because she behaves well ,everybody loves her.=> Because of___________________
39. That house is old .We can’t live in it.
=> That house_____________________________
=> It is _____________________________
40. I’m very pleased that we shall visit her again .=> I am looking ___________________