在市场上购买衣服时,你看到的表示大中小号的字母依次是:
—I’m going to take a vacation tomorrow. --Oh, good! ___________________.
–I will take my driving test next month. --___________________.
Our parents often tell us ___________ on the street.
— We’d better go home right now. The sky is getting . — Okay, let’s go!
While I _____________, someone ___________at the door.