You’d better ______ to send me an e-mail when you get home. A. not to forget B. don’t forget C. not forget
The price of the phone ________ what kind it is.
It’s important ________ English well.
I invited him ________ my hometown last week.
Many parents find it difficult _______ with their children.
—I don’t think English is as_______ as maths. —I agree with you.