Jawaban:

Exercise 1

a. to close the door.

b. to show your ID card.

c. to brush your teeth.

d. to do your homework.

e. to wash your clothes.

f. to go upstairs.

g. to clean the whiteboard.

h. to write your name.

Exercise 2

1. come on time

2. do it by yourself

3. watch your step

4. read the text carefully

5. take your book out

6. collect the assignment

7. look at the whiteboard

8. practice the dialogue with a partner

9. complete the sentence with the correct word

10. pick up your sister at the airport

Exercise 3

1. have a shower first

2. don't do such a thing

3. don't go this way

4. get a taxi

5. make dinner earlier today

6. don't you think I'm stupid

7. take Jim with you

8. don't come late

9. don't use phones in English lessons

10. give it to me tomorrow