4.b
5.c
6.a
7.d
8.b
9.c
10.b
11.b
12.d
13.a
14.b ( Câu này mk ko hỉu nên cx ko bt có đúng ko )
15.c
B.
1
(1) to
(2) pair
(3) small
(4) free
(5) are
(6) strongest
2
1.Last year, Hoang spent his vacation in Dalat.
2.His parents took him to see lots of interesting places such as : Xuan Huong lake, Bao Dai places, Valley of Love, Flower garden
