Bài 2 :   Từ 1 ngọn hải đăng AB cao 75m, người ta quan sát 2 lần thấy 1 chiếc thuyền

 đang tiến về ngọn hải đăng với góc hạ lần lượt là góc xAD = 30^o và góc xAC = 60^o 

a) Hỏi chiếc thuyền đi được bao nhiêu mét giữa 2 lần quan sát.

b) Nếu thuyền di chuyển với vận tốc 18km/h thì phải mất thời gian bao lâu để đến chân ngọn hải đăng.

mọi người giải nhanh giúp mình nha mình đang cần gấp

1 successful

2  promotes

3  painted

4  as

5  either

6  Canada

7 often

8  was

Passive form                             UNIT 2

1** Tran does her homework every day.

→  Tran’s homework ____________________________________

2**She makes coffee for her parents on Sunday.

→ Coffee ____________________________________

3** Farmers grow rice in Viet Nam.

→ Rice ____________________________________

4**In the 18^th century, people made jean cloth completely from cotton.

→In the 18^th century, jeans cloth ____________________________________

5** Mary cooked the soup yesterday.

→The soup ____________________________________

6**Viet Nam and the United States signed the Paris agreement in 1973.

→The Paris agreement ____________________________________

7**Designers have added new patterns to the dress to make it look more fashionable.

→ New patterns ____________________________________

8**They have painted the wall pink.

→ The wall  ____________________________________

9**Jack has typed the article recently.

→The article ____________________________________

10**You must finish this work by 5.00 p.m.

→This work ____________________________________

11** You should keep milk in the fridge.

→ Milk ____________________________________

12**They will carry that table into the dining room.

→That table ____________________________________

 13**He finished his exercises on time.

→His exercises _____________________________________

14**People plant rice in those fields.

→Rice _____________________________________

15**They use cars and trucks to carry food to market.

→ Cars and trucks _____________________________________

16**This boy broke my windows yesterday.

→ My windows _____________________________________

17**Did you do your test perfectly?

→ ________ your test _____________________________ ?

18**Why didn’t you learn this lesson?

→   Why ______________ this lesson ____________________ ?

19**They have known him well.

→   He _____________________________________

     20**The manager must sign the cheque.

→ The cheque _____________________________________

các bạn giúp mình nhanh nha mình cần gắp