I.

1. play (can + V)

2. is doing (dhnb: at the moment, thì hiện tại tiếp diễn)

3. bought

4. came, was cooking

II. 

1. Peter Parker does not have many friends.

2. Students should review their work before tests.

3. The shamrock is the symbol of Northern Ireland.

4. Ann has a nice apartment.

1/play

giải thích: sau can+ v-inf

2/is doing

giải thích: thì hiện tại tiếp diễn (dấu hiệu: at the moment)

3/bought

4/started

5/came, cooked

II.

1. Does Peter Parker doesn't have many friends.

2. Student should review their work before tests.

3. What is your favourite hobby?

4. Ann has a nice apartment.