I. Complete these sentences with " could, couldn't " or " was, were able to "
1. A girl fell into the river but fortunately we __________ resceu her.
2. I __________ walk when I was less than a year old.
3. My grandfather __________ walk without any help last night.
4. __________ you understand what he was saying ?
5. My grandmother __________ speak Spanish.
6. Suddenly all the lights went out. We __________ see a thing.
7. The computer went wrong, but luckily Emma __________ put it right again.
8. There was a big party last night. You __________ hear the music haft a mile away.
9. I learnt to read sheet music as a child. I __________ read it when I was five.
10. People heard warnings about the food, and they __________ move out in time.
11. she wasn't at home when I phoned but I __________ contact her at her office.
12.Mrs Carter __________ put out the fire before the house burnt down.
13. I looked everywhere for the books, but I __________ find it.
14. The plane __________ take off at eleven o'clok, after the fog had lifted
15. Jack was an excellent tennis player. He __________ beat anybody.
II. Find and correct the mistakes
1. I'm twenty - one year old and I'm a worker.
2. She and he goes to work on foot.
3. That's ,y sister over there. She stands next to the window.
4. Let's going shopping!
5. My friends doesn't like watch TV after school.
6. He is the tallest of the two boys.
7. There is an big eraser on the desk.
8. We aren't understand what you are saying.
9. How many mans are there in the room ?
10. We can't go out because it rains.
GIÚP MK VỚI !!