I like the red skirt. The ______ is that I have no money for it. A matter B question C thing D problem
________ useful advice you gave us!
Don’t open your books, _______?
_____, please! Let’s begin our lesson.
— Please ________ late for school.— Sorry, I ________.
—______ drive after drinking. It’s too dangerous(危险的).—OK. I won’t.