— I’m very busy now. Could I call you back after work? — OK. I’ll wait for you.
—Keep ___ in mind that you have to be here on time. —OK, I will.
The public ___ of the environmental problem will make the government take it seriously.
Try on both shoes and walk around to ensure a comfortable fit ___ you know your shoe size.
I know that ___ would ever discourage him; he would never give up wanting to be a director.
—Silly me! I forget what my language book looks like! —What do you think of ___ over there?