a/ Vì Bt // Ay (gt) >>> góc ACB = góc CAM (so le trong) (1)
Az là tia PG góc xAy (gt) >>> góc BAC = góc CAM (2)
Từ (1) vs (2) >>> góc ACB = góc BAC
>>> tam giác ABC cân (tại B)
Mà BK vuông góc AC >>> BK là đường cao của tam giác ABC >>> BK cũng là trung tuyến của tam giác ABC (Trong tam giác cân thì 4 đường trùng nhau)
>>> AK = CK >>> K là trung điểm của AC
\(\)

1/ My father doesn't really like white coffee. He prefers black coffee
2/ We don't really like having dinner at home. We prefer going out for dinner
3/ I don't really like rock music. I prefer pop music
4/ The children don't really like reading. They prefer watching tv
5/ Nam doesn't like taking part in sports. He prefers watching them on Tv
6/ Thanh doesn't like sports shows. He prefers fashion shows
7/ My mother doesn't really like cycling. She prefers walking
8/ He doesn't really like girl bands. He prefers boy band

1. The flag on top of the bigger boat is black and white.
2. The pirate who is sitting next to the parrot has finished his drink.
3. The pirate with a black beard has got an umbrella in his hand.
4. The four pirates who are wearing T-shirts with stripes are playing volleyball.
5. The pirate with the long hair is making a castle on the beach.
6. The blue butterflies are smaller than the butterflies with red spots.
7. Under one of the trees, there is a box which is full of gold treasure.
P/s : sorry nhé!!Mk giúp hơi trễ, hk tốt nha

water, sugar, milk, air, sand, hair, rice, beer, wine, butter, cheese, honey, soup, oil, money, bread, beauty, sadness, coffee, tea, gold, diamond, ...

1. Children should spend only a small part of their free time playing computer games
2. We went to the movies last night but it is boring
3. You shouldn't spend much of your time in the arcade
4. Electronic games are good fun, but players must be careful
5. My brother has a plently of homework to do, so he can only play games for a short time
➻❥Ⓛ﹏✍ ❤﹏✍ⒺⓃⒼⓁⒾⓈⒽ❦

1. Where did she live?
2. Does he play video games too much?
3. How often does she go to the public library?
4. What is your favorite city in Vietnam?
5. How many hours per day you spend playing video games?
6. Why do you move to the city?
7. What keeps you awake at night?
8. Who was scared when she crossed the road?
9. What is David going to do?
10. How much is the new electronic game?
✔✔✔ Xog
Mk kh chắc lắm đâu nha, thân!
~❤ℒ¡ղɦ❤~

B2
1. are >>> is
2. later >>> latest
5. hear >>> to hear
6. going to >>> to go to

B1
1. My mother usually washes fashion show on TV in her free time.

2. TV viewers can join in the contest and answer questions through telephone or by mail.

3. There are a plenty of music programs on TV.

4. I think this program is good for teenagers.

5. That flims is on at New Age Theater.

6. Nam bought two tickets for the moive tonight.

7. I like to watch programs for teenagers and other countries.

8. Year ago we didn't have a TV set in our place.
Nghĩ vậy thuii, chứ mk chưa chắc đúng 100% nhé

1. The inventors of the video games are as young as fourteen or fifteen
2. Outdoor activities for children are very good
~Hum nay tớ rảnh, các cậu hỏi điii - tớ trả lời hết!!?
Chúc cậu hok tốt