Cho (O) có AB là đường kính, điểm D thuộc (O). Gọi E đối xứng với A đi qua D.

a, Tam giác ABE là gì? Chứng minh

b, Điểm K là giao điểm BE và (O). Chứng minh AK vuông góc DO

Give the correct forms of the words in the brackets.

1. It's a lovely old house, I agree, but can we afforf to (modern) it?

2.(Science) have been trying to find out new stars.

3. The girls went to see (fame) places in HCM city.

4. He will never forget his happy( child).

5. My mother used to (courage) me to take part in outdoor activities.

6. In winter it is important fot farmers to provide food and( warm) fpr their animals.

7. The gas fron the chemical factory was( extreme) harmful.

8. Don't waste water! It is our( nature) resourcr

Give the correct form of the verbs in brackets to complete the sentences

1. While my sister and I (watch) TV last night, our uncle phoned.

2. Lan wishes she (visit) Hue next Sunday.

3. They( finish) their work already.

4. Wearing jeans(make) us feel comfortable.

5. I want (be) an E nglish teacher when I grow up.

6. ....you ever(see) this man before?

7. If today (be) Sunday, we would go for a picnic.

8. He had a bad fall while he( repair) his roof.

9. Writing many letters (make) her happy.

10. She didn't have enough time( visit) all the interesting places.

Read the first sentence and then complete the second sentence with the same meating.

1. The man was so tired that he couldn't finish his work.

-The man was too.......

2. Nga spends 4 hours a day practicing English with her friends.

-It takes.....

3. It was raining hard but we got to Mary's birthday party in time.

-Although.......

4. They have just sold that old house.

-That old house....

5. People say that they bought this shop last year.

- It is......

6. Mr. Brown's team has lost the game and he looks very sad.

-Mr. Brown whose.....

7. It takes Minh 2 hours to do his homework every day.

-Minh spends.....

8. The picture was so high that the little boy couldn't touch it.

-The picture was too....

Put the words or phrases in correct order to make full sentences.

1.your/I/about/to/am/shoes/the/bought/complain/I/at/week/shop writing/last/.

2.I/not/ meet/my parents/since/last Sunday.

3.He/say/he/be/back/following/day

4.It/be/such/cold day/ we/ decided/not/go out.

5.his/work/made/before/He/hard/test/students/the.

6.I/She/girl/bought/is/whom/roses/for/the/those.

7.saved/people/of/because/were/Thousands/eruption/scientists/warned/them/the/had/about.

Supply the correct from of the words in brackets to complete the sentences.

1. The air here is (serious) polluted.

2. The advantage of living in the countryside is that the air is(pollute)

3. That is a good ( choose) for yoyr future

4.This book is (inform) we easily find what we need

5. A good student must know how to study(effect)

6. This knife is(use) it doesn't cut at all

7. Most of the films are produced for (entertain)