Alex, how long ____________ you ___________ in this school?–For three years. I’ll graduate in July.

Sorry, I’m busy _____ the moment. You can ask Jenny for help. [ ]

The survey shows that 200 students do different things during their vacations. ______ of them take classes according to the survey.

Kids, help ______ to some apples, please. — Thank you very much.

Are there ________ televisions in the room?