4. Circle the correct item.
- If Michael C is buying a new computer, he will let us use it.
- She finished the exercise by B himself. Nobody helped her.
- I won't do it C unless you ask me nicely. You must learn to be polite.
- If you exercise regularly, you A will have more energy.
- When babies are happy, they C are smiling.
- A If you go to bed early, you will be tired in the morning.
- He fixed the car all by B itself.
- I burnt B itself while I was cooking supper.
- I go to sleep B when I'm tired.
Ответ: C; B; C; A; C; A; B; B; B.