Bài III
1.B
2.C
3.A
4.D
5.C
6.B
7.B
8.C
9.B
Bài IV
1. plays
2. will go
3. will/ collect
4. to play
5. going
6. did
7. is playing
8. play
9. playing
10. have collected
Bài V
1. collection
2. birdwatcher
3. photography
4. interesting
5. carving
6. activity
7. unusual
8. creative
Bài VI
1. classmates ------> classmate
2. collecting stamps ------> stamps collecting
3.
4. to ride ------> riding
5. go ------> goes
6. Do ------> will
7. doing ------> going
8. interesting ------> is interesting
*CHÚC EM HỌC TỐT!
