Ответ:
1 can you open the door?
no, sorry. I'm washing the dishes.
2. could you help me in the garden? sorry, I'm doing my homework.
3. can you come to the phone? sorry, no. I'm having a lesson.
4. can you tidy your room up? no, I'm sorry. I'm writing a letter.
5. can you help me with these bags. sorry,no. I'm having a shower.