—Don’t leave your computer_____ if you don’t use it. Electricity is valuable. — Sorry, I won’t. A. on B. out C. off
Miss Lin ______ a lot of work for the poor area for about 10 years.
It’s time for class. Mr.King asked all the children______down quietly.
—Mike, where is Miss Li?—She ______ a speech to the first-year students now.
— Jenny, I need some milk?—Ok, Mum.______do you need?
There ______ still some apples in the fridge now.