6.D 7.A 8.C 9.B 10.A 11.B 12.C 13.A( hoặc watching)

6.D 7.A 8.C 9.B 10.A

1.Do the Hmong have their own language?

2.What colour is the Nung's clothing? 

3.What do they/you want to know?

4.Where does your aunt live?

5.Who designed the exhibition building of the Museum of Ethnology?

6.How many ethnic groups are there in Viet Nam?

7.What will you do during the trip to countryside?

8.What's your leisure activity?

9.Where does the Coho live?

10.Which group has the smallest population?

C

Tỉ lệ nghịch nha bạn 

Trb 1 người ăn: 68/35=1,942 ngày

==> 28 người ăn = 1,942 * 28 = 54,376= 54 ngày 

fly --> flew

1.Where is my book?

2.How many room are there in Huong's house?

3.Does the nurse take care of sick children?

4.Who grow vegetables and raise cattle on the farm?

5.Which one is more expensive?

6.What does Mr.John do?

7.Are there any apples in the refrigerator?

8.Why will you be a farmer? 

1. There are ten dogs in in their kennel

2.My grandma is the oldest in my family

3.Thuy is fatter than Hung 

4.I enjoy eating sandwich

5.Because of the hot soup, I can't eat it now hoặc

   I can't eat the soup now because it's hot

7. You should apply sunscreen

8.Hanoi is smaller than Ho Chi Minh City

9.I advise you to do exercise

Đổi V=90km/h=25m/s (90:3,6=25), t = 15'=900s

S = v*t =  25 * 900 = 22500m =22,5km -