Change into reported speech. (Переведите в косвенную речь).Example: Come back again

Change into reported speech. (Переведите в косвенную речь).

Example: Come back again next month. (They, we)
They ask us to come back next month.
1) Buy a kilo of sugar. (a mother, a son)
2) Dont be late. (a mother, she)
3) Open your suitcase. (a customs officer, I)
4) Please dont cry. (he, she)
5) Watch your mouth. (father, she)