---I can’t work out the math problem, what should I do?---You can turn to the teacher.
--- ______ not to be late tomorrow. --- Ok, I ______.
Don’t ______, my son. Mum’s here with you.
Our plan ______ the trip ______ Suzhou needs to change now.
______ of the two little girls has to do some housework.
I get two presents for my birthday. ______ big one is from my father, and ______ small one is from my mother.