Bài 1:
1. C
2.A
3.A
4.B
5.D
6.D
Bài 3:
1.A
2.B
3.A
4.A
5.C
Bài 4:
1. paris
2. football
3. local television
4. country
5. remote control
6. summer sports
Bài 5:
1. started
2. play
3. had
4. is
5. bought
6. has worked
Bài 7:
1. The most expensive
2. the most popular
3.the most interesting
4.the most colorful
5.the most relaxing