BÀI VI
1. has become
2. was held-became
3. are waiting
4. arranged
5. has taken
6. were playing
7. come
8. are performed
9. to attend
10. preparing
Bài IV:
1.b
2.d
3.c
4.b
5.c
6.b
7.a
8.c
9.b
10.d
Bài V:
1.a
2.b
3.b
4.b
5.c
6.b
7.c
8.a
9.b
10.b
BÀI VI:
1. has become
2. was held-became
3. are waiting
4. arranged
5. has taken
6. were playing
7. come
8. are performed
9. to attend
10. preparing
Bài IV
1b 2d 3c 4b 5c 6b 7a 8c 9b 10d
Bài V
1-a 2b 3b 4b 5c 6B 7c 8 9b 10b
