After a 3-week winter vacation, students usually some weight when they return to school.
I haven’t decided when _____ a holiday yet.
We didn’t learn __________in this lesson.
—Dear students, please read every sentence carefully.— _________you are, ______mistakes you’ll make.
I met a good friend of mine while I _____ on the street.
—May I ________ your CD player?—Sure. But you can only _____it for a week.