Câu trả lời:
cau 6 sai roi ban
cau 6 sai roi ban
5.c
6.d
9.c
10.a
11.b
12.d
13.a
14.c
15.c
B
1.left
2.took up
3.graduated
1c:such as
2a:are
3b:older
1.c:such as
2.a:are
3.b:older
4.a:variety
5.b:out
6.B:more
7..C:to
8.B:some
9.A:not a serious
10.B:than