Bài 1: vẽ tia phản xạ trong trường hợp sau

a. tia sáng chiếu tơi gương và tạo với mựt gương 1 góc 30^o.

b. tia sáng chiếu tới mặt gương và tạo với pháp tuyến của gương 1 góc 45^o

Be used to, Used to V, get used to

Bài tập 1: điền từ vào chỗ trống.

1. I didn’t ____ to do much skiing.

2. We ____ to walk to school when we were children.

3. They not to let women join this club.

4. There ____ to be a lake here years ago.

5. John didn’t ____ to like Mary when they were teenagers.

6. When ____ they to live here.

7. Why did you ____ to use this old photocopier?

8. We never ____ to have electricity in our house.

9. I hardly ever ____ to have same time for going out.

10. Did they ____ to let you smoke in cinemas?

Bài 2: Rewrite these sentence 

1. I quite like classical music now, although I wasn’t keen on it when I was younger. => ………………………………………………………………………………………

2. I had a lot of money but I lost it all when my business failed. =>.………………………………………………………………………………………

3. I seem to have lost interest in my work. => ……………………………………………………………………………………….

4. Dennis gave up smoking three years ago. => ……………………………………………………………………………………….

5. My brother had his hair cut short when he joined the army. => ……………………………………………………………………………………….

6. My parents lived in the USA when they were young. => ……………………………………………………………………………………….

7. Jim was my best friend, but we aren’t friends any more. => ………………………………………………………………………………………

Bài 3: Choose the correct answer.

1. People ____ that the earth is around before.

a. Did not use to believe   

b. Used ti believing.

c. Would not use ti believe

d. Were not used to believe.

2. Astronauts ____ in their space ship, but they frequently work outside now.

a. Has used to stay.

b. Were staying.

c. Used to stay.

d. Were used to stay.

3. The city  girls are used ____ in the field.

a. Used to lie.

b. To working.

c. Would like.

d. To work.

4. Formerly babies ____ of whooping cough.

a. Would die.

b. Used to die.

c. Have died.

d. Both

5. Newton ____ scientific books when a boy.

a. Has read.

b. Read.

c. Had read.

d. Used to read.

Bài 4: Complete these sentences with used to.

1. Used to ride

2. Used to go

3. Used to be

4. Did not used to feel

5. Did you use to play