– May I swim here?. – No, you _________. It’s dangerous. A. won’t B. needn’t. C. mustn’t
---How soon will you finish your college?---________.
Toby ______ talk ______ and does ______. Then he can be a good boy.
—What do you think of the color of my bedroom?—Sorry, but what did you say? I ________ about something else.
She looks very sad. I want to help her, but I just don’t know ____ to do it.
---How will students study in the future? - -- ____home______ computers.