David, your mother’s birthday is _____. Let’s think about how to celebrate it. —OK, Dad.

当你认错人时，你应说：＂______________＂。

The driver is sitting in front of his car and there is another car in front of it.

e always keep an appointment,Jenny’– Seldom, ______.

Our school forbids ________, that is to say, we are not allowed ________ at school.[ ]