I.

1. speaks - don't understand

2. is - teaches

3. is - is lying - watching

4. works - is - gardening

5. has - feeds

6. (does Mai do) - watches - does _{cân nhắc}

7. is singing - has

8. isn't working - is playing

9. cooking

10. smells

II.

1. Nam comes from Hue, but the holiday this year he stays with his uncle's family. 

2. My father often watches the news after dinner.

3. Ms. Hoa usually spends her free time helping her son with his schoolwork.

She went to the supermarket yesterday.

Dịch: Cô ấy đi đến siêu thị vào ngày hôm qua.

Công thức: S+go to (đi đâu - tuỳ vào DHNB của thì)+địa điểm+...

\(a,0,35.2,7=0,945\approx0,94\\ b,12,8:4=3,2\\ c,-8,3-12,1=-20,4\\ d,2,6+\left(-9,4\right)-6,3=-6,8-6,3=-13,1\)

_{(thấy mỗi câu a rút gọn được đến hàng phần trăm á:0)}