It’s too cold .You had better ______your coat.A:don’t take off B:not take off C:don’t put on D:not put on
-----Let’s play computer games. ------________________
We like______, but we don’t like _______.
Thank you _____ your telephone number. Can I call you _____ the number?
Ann ,is this pen ______? ----No, it isn’t. It’s_______.
----Are _____ your parents? ---No , ______ aren’t.