1. It takes Lan 2 hours to do her homework everyday
2.Trang for having invited her to the dinner
3.David not to trust John
4.were made to learn all new words___
RELATIVE
1.I don't know the reason why you didn't go to school
2.The hotel we stayed at wasn't very clean 3.Do you remember the day when we first met 4.I couldn't understand the woman whom I talked to on the phone CORRECT MISTAKES 1.I've-> I 2.learning->to learn 3.working->to work 4.shot READING 1.B visitors 2.B we can hunt in the parks 3.C 4.D go skiing 5.A