Viết lại câu sao cho nghĩa ko thay đổi: 36.My pen pal said,''I will visit you tomorrow'' =>My pen pal told me that.......................... 37.Trung doesn't get good marks at school:therefore,his parent are sad =>If Trung........................................................ 38.Jim did the work yesterday =>The work......................................... 40.Nga spends 4 hours a day practicing English with her  friends =>It takes.......................... 41.He drives so carefully that he has never had any accidents =>He is so................................................... 42.''We got home late last night''they said =>They said................................................ 43.We suggest a lot of things,which were all rejected. =>Everything.............................................. 44.This is his first visit to HCM city =>He is................................. 45.The man was not able to go on an expedition to the Middle East because of his age =>The man was too............................... 46.Despite his intelligence ,he dosen't study well at school =>Even....................................... 47.If you don't take care of those shoes,they won't last long =>Unless you look........................... 48.I would prefer you not to phone me at school =>I'd rather..................................... 49.It is thought that the accident was caused by human error =>The accident is...................