1hard 

2 too

3 reading

4 into

5 say

 6 on 

7 not

8 whose

9 from

10 get

Tổng vận tốc của cả hai người là 105:1,5=70(km/h)

=>Mỗi giờ hai người đi được 70km

b: Tổng số phần bằng nhau là 3+4=7(phần)

Vận tốc của người đi từ Đắc Lắc là:

70:7x3=30(km/h)

Vận tốc của người đi từ Đắc Nông là:

70-30=40(km/h)

1  persuading 

2 commercially

33 benefits

44  incredibly

1. When we want to attract someone’s attention, we can use either verbal or non-verbal communication.

2. They are strong gestures that can he easily seen in the distance.

3. If we want to attract a waiter’s attention, we can wait until he passes near us, catch his eyes and nod slightly to let him know we would like him to come to our table. Or we can raise our hand slightly to show we need assistance.

4. No, it isn't

1.  B

2. C

3. B

4. A

1. A lot of trees are planted around their house every spring.

2. The doctor asked Mr Hai what he was doing to protect himself from corona virus.

3. If you don't practice listening to English every day, you can't improve your English listening skill.

4. We haven't gone on a trip to Jeju island since our national holiday.

5. He doesn't sing as attractively as my sister.

6. Although he lacked experience, he got the job.

1. I had already read lots of books about the universe before I turned ten.

2. My sister often has a bowl of cereal and a glass of milk for breakfast

1 cook

2 reads 

3 look

36

giặc đói , giặc dốt và giặc ngoại xâm