I/

1.is asking

2.is visiting

3.are playing

4.is telling

5.is sitting

6.is ringing

7.are flying

8.is typing

9.is pouring

10.is trying

II/

1.the coldest

2.the tallest

3.the most interesting

4.the richest

5.the best

6.the happiest

7.the brightest

8.the most dangerous

9.the worst

10.the most intelligent

III/

1.is going

2.is crying

3.Is/sitting

4.are trying

5.is cooking

6.are talking

7.am not staying

8.is lying

9.are traving

10.isn't working

IV/

1.My father is watering some plants in the garden.

2.My mother is cleaning the floor.

3.Mary is having lunch with her friends in a restaurant.

4.They are asking a man about the way in the rain way to the station.

5.My student is drawing a beautiful picture.

Chúc bạn học tốt ^_^!!!
(Nếu thấy hay hãy vote 5*,cảm ơn và bình chọn là câu trả lời hay nhất để mik có động lực giải tiếp các BT khác nhé!)

1.akses

2.will visit 

3.are playing 

4.told

5.sits

6.was ring 

7. Are going to fly