Khoa should use more efficient build

stopping using plastic bags

well

sings very sweetly

dances wonderfully

4, My brother plays tennis very well

5, Because the river is too dirty, we can't swim in

6, If you throw a store into water, it sinks (Vế sau là một chân lý nên chia thì Hiện Tại Đơn)

have - rain - say - explain - read - see - to report - fixing - to buy - finish

She left the note on the door because the house is empty

Since Lan was careless, she lost the game

Mrs. Mai teaches well.
Mai cycles carefully.

3.  They asked him " Do you to play football? "

→They asked him if he played football.

4. She asked me " Why do you have to do this work ?"

→She asked me why I had to do that work.

a: Để biểu thức có nghĩa thì 3x-5>=0

hay x>=5/3

b: \(=20\sqrt{3}-3\cdot6\sqrt{3}+\dfrac{1}{2}\cdot10\sqrt{3}=2\sqrt{3}+5\sqrt{3}=7\sqrt{3}\)