1 Mary enjoyed picture books when she was a girl
2 Why didn't you prepare the lesson before going to school
3 Do you mind taking me to school everyday
4 She is one of the most beautiful girl in her class
5 Nam got married at the age of 27
6 Could you show me the way to the nearest post office
7 I would rather you phoned Nam
8 The teacher whose son is a good student in class is the English teacher
9 She has been very busy recently so she is always out
10 What time do you get up everyday
11 If I were richer, I wouldn't live in HN
12 I have done nothing since I got married
13 She was crying when her mother came back from work