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10. He is too young. He is afraid of (stay) at home alone.

9. We should do everything we can (protect) the earth.

8. I met the reporter after (wait) for a long time.

7. Do you know who (take) the man to the hospital last night?

6. Sandy (not do) well in the English exams last year.

5. He can t play basketball because he (hurt) himself yesterday.

4. Could I borrow some money? I forgot (bring) my wallet this morning.

3. “Stop (talk) now!” said the teacher angrily.

2. — your sister (see) a film this Sunday? —No,she isn't.

1. Sometimes she doesn’t do her best (learn) English.