Даю 20 баллов
Cоставь вопросы к этим ответам: 1.Go to the blackboard and help your classmates; 2.You may ask this question next lesson; 3.No,don't open the door; 4.You can do the crossword puzzle after classes.

1) What do I need to do?

2) May I ask you the question?

3) Can I open the door?

4) When can I do the crossword puzzle?