1.   Nga eats more _______unhealthily_____than Tung does because she likes fast food. (healthy)

2.   Most of the Central Highlands is_______mountainous______.(mountain)

3.   Like my aunt, I want to become a professional dog ____trainer____. (train)

4.   The cattle are herded to a new pasture by the _____nomads______ (nomadic)

5. The Internet has already changed the way people ___________(social)

6. Red River Delta is an agriculturally rich area and densely __________(populate) 

7.Who lives more happily, __________or city dwellers? (nomadic)

8. He spoke _________about the life in the countryside in Viet Nam. (optimistic) 

(giúp câu còn lại với)

1.   Nga eats more ____________than Tung does because she likes fast food. (healthy)

2.   Most of the Central Highlands is_____________.(mountain)

3.   Like my aunt, I want to become a professional dog ________. (train)

4.   The cattle are herded to a new pasture by the ___________ (nomadic)

5. The Internet has already changed the way people ___________(social)

6. Red River Delta is an agriculturally rich area and densely __________(populate) 

7.Who lives more happily, __________or city dwellers? (nomadic)

8. He spoke _________about the life in the countryside in Viet Nam. (optimistic)

Đổi:

12m/s = 43200m/h = 43,2km/h

30 phút = 0,5h

15 phút = 0,25h

Quãng đường còn lại dài là:

S = v . t = 43,2 . 0,5 = 21,6 (km)

Quãng đường đầu dài là:

=> Chọn câu D,