Bài 2 : 1. doesn’t drink …… drinks
2. is
3. do you do
4. circle
5. see
6. don’t eat
7. make
8. doesn’t grow
Bài 3:
1. causes
2. are going to see
3. wrote
4. did ... learn – taught
5. go – went
6. introduced
7. was – didn’t have
8. to come.
 

bài 2;
5, see
6, don't eat
7, make
8, doesn't grow

Bài 2 : 1. doesn’t drink …… drinks
2. is
3. do you do
4. circle
5. see
6. don’t eat
7. make
8. doesn’t grow
 

Bài 3:
1. causes
2. are going to see
3. wrote
4. did ... learn – taught
5. go – went
6. introduced
7. was – didn’t have
8. to come.

Bài 2:
1. doesn't, drinks
2. is
3. do you do
4. circles
5. see
6. don't eat
7. make
8. doesn't grow
Bài 3:
1. causes
2. see
3. writes (mình nghĩ chữ trong ngoặc là write)
4. do you learn, teaches
5. go, went 
6. introduced
7. was, didn't
8. to come