—Why are you in a great hurry, Paul?---I have to, _____ I’ll be late for school.
-My mother is ill in hospital. ——_______.
We can use QQ to talk with each other online. --Good! Will you please show me ______it?
My mother often spends 2 hours ______ housework every day.
— Must I come at four o’clock? — Oh, no, you ____.
It’s too cold .You had better ______your coat.