Exercise 1

1. She doesn't drink coffee. She drinks milks 

2. It is often hot in the summer 

3. What do you do every morning 

4. The earth circles the sun once every 365 days

5. I see her very often 

6. Vegetarians don't eat meat 

7. Bees make honey

8. Rice don't grow in cold climates .

Exercise 3:

1. Bad driving causes many accidents.

2. Mai and Lan  are going to see a movie tonight.

3. Mozart  wites more than 600 pices of music 

4. "How do you  learn to drive?" – " My father  teaches me."

5. We usually go to the libary three times a week

6. Alexander  introduced the telephoned in 1876.

7. Yesterday I  was busy, so I  didn't have time to phone you.

8. Would you like  to come to dinner tomorrow?

=>
2
1. doesn't drink/drinks
2. is
3. do you do
4. circles
5. see
6. don't eat
7. make
8. isn't grown

8/
1. causes
2. are seeing
3. wrote
4. do you learn/teaches
5. go/went 
6. introduced
7. was/didn't have
8. to come