Is ____three hours ____ the boy ___family is poor to come to school on foot?
It’s supposed that __________ miners live __________ life full of danger.
-- You ought to have given them some advice. --- , but who cared what I asked?
---You’ve read the Frog by Moyan,haven’t you? ---Yes,I_______second time and I got a better understanding.
We should get prepared for dealing with ________problems_________
We’ll never forget this terrible accident and the damage_______has caused to the area.