We should spend the money ______ something _____ everyone

Wearing a（n）expression in the class, he was scolded by the teacher.

I have never visited the Great Wall before。.—___ _________

If you don’t want to misunderstand in the language communication, you’d better ____________ eye contact with one who is talking to you.

You looked unhappy. What’s wrong—I ________my PE exam again last week.