He explained to the class what he suggested ____ hisidea ____．

Jenny,I hear there will be an art club in our school.—Wonderful!I can’t wait to _________ it.

I want to know if Maria ______ us in the fashion show tonight.—I believe if she ______ her homework, she will join us.

If you ________ this newspaper, you’ll receive an extra magazine.[ ]

If ________ the same treatment again，he is sure to get well.