1. The souvenir shop is in front of the book store.

- Where is the souvenir shop?

2. It’s five kilometers from my house to the supermarket.

- How far is it from your house to the supermarket?

3. It takes Mr. Lan fifteen minutes to walk to work.

- How long does it take you to walk to work?

4. We go to Ho Chi Minh City by train.

- How do they go to Ho Chi Minh City?

5. Trung will mail his letter to Bruce, his pen pal.

- Who Trung will mail his letter to?

6. The stamps for your letter cost 8,000 VND.

- How much are the stamps?

7. Minh needs a phone card because she wants to give he parents a call.

- Why does Minh need a phone card?

8. There are over 1,000 stamps in Nam’s collection.

- How many stamps in Nam’s collection?

9. I’d like to buy some local goods.

- What would you like to buy?

10. Tam phones his uncle twice a month.

- How often does Tam phone his uncle?

Mặt trời là:

A. vệ tinh

B. ngôi sao

C. hành tinh

D. sao băng

 My name is Tuan. I live in Soc Trang. It is in the south of Viet Nam. There are only two seasons here. They are the dry season and the rainy season. The dry season lasts from November to April. It is usually cool and dry in this time of the year. This is my favourite season because I can go for a picnic with my friends. The rainy season lasts from May to October. It is usually hot and wet. There is a lot of wind too.

 1. What does Tuan do in favourite season?

- He goes for a picnic with his friends.

1.Listen! I (think) think someone (knock) is knocking at the door.

2. Up to the present, we (write) have been writing almost every lesson in the book.

3. The earth (circle) circles the sun once every 365 days.

4. The farmers (work) are working in the field at the moment.

5. How many times you (see) have you seen him since he went to Edinburgh?

6. Rivers usually (flow) flow to the sea.

7. Look! The boy (cry) is crying.

8. Do you know that man, who (smoke) is smoking there?

9. Mrs Green always (go) goes to work by bus.

10. We (be) are from France. We (be) have been there for 20 years.

11. That house (belong) belongs to Mr. Green.

12. Mai (lose) lost her dictionary.

13. I (be) am sorry. I (forget) have been forgotten that girl’s name already.

14. I (wait) have been waiting for the manager for two hours.

15. Have you ever seen (ever/see) a lion?

\(\dfrac{\left(-2\right)^x}{16}=-2^3\\ \Rightarrow\dfrac{\left(-2\right)^x}{16}=-8\\ \Rightarrow\left(-2\right)^x=-128\\ \Rightarrow\left(-2\right)^x=-2^7\\ \Rightarrow x=7\)

\(20\) nhân viên nữ ứng với số phần trăm là:

\(100\%-80\%=20\%\) (tổng số nhân viên)

Tổng số nhân viên của nhà hàng đó là:

\(20:20\%=100\) (nhân viên)

\(2,023=\dfrac{2023}{1000}=2\dfrac{23}{1000}\)

\(1\) giờ \(15\) phút \(=1,25\) giờ

\(1,23-\left(4,56+7,89\right)-6,6\times7,7\\ =1,23-12,45-50,82\\ =-11,22-50,82\\ =-62,04\)

Số học sinh đạt danh hiệu xuất sắc là:

\(45\times\dfrac{2}{9}=10\) (học sinh)

Số học sinh đạt danh hiệu giỏi là:

\(45\times\left(1-\dfrac{2}{9}\right)=35\) (học sinh)