--Can I play computer now?  --No, you ______. You _____do your homework first.

It is required that under no circumstances ______ betray ourselves even if there are temptations like money or beauty.

— Mr. Wang, I got zero on Answering Sheet One. Could you help me correct it?— I’m sorry, but it ______ be marked by the machine. Mark your test number with a pencil 2B next time.

— Mum, can I watch TV now? — No, you             . It's too late.

You’d better put away the magazines you have read, for they _______ be of great use later.