---- _________ do you help your mother cook?---- Once a week.A. How long B. How C. How often
Linda's father hates waiting in long lines. I think he's not very _____.
The teacher tells us that __ careful we are, __mistakes we will make.
When the supermarket in our town last year?
The best way to learn new words is by _____ English magazines.
— Would you teach me _________ an e-mail, please? — Sure.