In my area, there are many traffic problems. One of the major problems is traffic jam. Especially in rush hours, there are usually traffic jams in crossroads which are awful. Another problem is accidents which cause much death and bad consequences for generations.

1. I sometimes go to school on foot.

How do you often go to school?

2. Our school is very beautiful and big.

How is your school?

3. He often plays soccer after school.

What does he often do after school?

4. My aunt needs 2 killo of beef.

How many kilos of beef does your aunt need?

1. We turn on the air conditioner all the time. We have to pay more than 2 million dong for electricity a month.

=> If we didn't turn on the air conditioner all the time, we wouldn't have to pay more than 2 million dong for electricity a month.

3. The hairdresser is cutting my hair this afternoon.

=> I have my hair cut by the hairdresser this afternoon.

4. I like firework displays because of their beauty.

=> I like firework displays because they are beautiful.

5. People often perform Chau Van in competitions or religions ceremonies in the North of Vietnam.

=> Chau Van is often performed in competitions or religions ceremonies in the North of Vietnam.

Số đầu là 101

Số cuối là 999

Trung bình cộng là :

( 999 + 101 ) : 2 = 550 

Đáp số : 550

ban=ba+n=bố+n=bốn=4

Câu một không hiểu đề.

Câu2: She started playing tennis at the __________________of 20 .

A. age B. years old C. time D. month

Mary and Tom are going on vacation this summer .

1.Lan used to go to school....

A.with bike B.by foot C.in car D.by bus

2.Public .............. in my town is good and cheap

A.travel B.journey C.tour D.transport

3.When there is a traffic jam, it ...............me a very long time to go home

A.takes B.costs C.spends D.lasts

minh/friends/be/going to/have/picnic/near/lake

Nếu là SBT thì có phần giải để tham khảo, bạn có thể xem qua.