I
1.C
2.A
II
1.C
2.A
3.B
4.B
5.C
6.A
7.D
8.B
9.D
10.B
III
A-
1.T
2.F
3.T
4.F
B-
1.Mai asks her teacher or friends ( when she doesn't understand )
2.Becaus she believes that she can learn from her mistakes
3.She always does her homework carefully
IV
1.what did Alexander Graham invent?
2.How long have you learn English?
3.I am going to do my homework this afternoon
4.The buildings are becoming taller and more beautifull
5.They used to go fishing
6.Mrs.Lan asked Nam to help her with that heavy box