A(n) ______ idea is different from the one you have and can be used instead.

Mike, you don’t seem to be quitetoday.—Well, I hardly slept last night. I was preparing for a report.

Remember to turn off the lights before leaving the classroom, children.— .

I don’t remember the book yesterday.

―Look at the dark clouds. It _____ rain soon.―I’m afraid so, and we _______ stay at home now.