— Must we hand in the exercise-books today?
— No, you .
— No, you ________. You have to wait until the light turns green.
—Oh, she _____ be ill. Let's go to ask Mr. Green.
—Sorry, I'm afraid you ________. Look at the sign “No smoking”!
—We ______take a taxi. It's not far from here.
—Sorry, I don't k.
— No way, you _______________ finish your homework.
This is a true story and it in a small village in Tianjin.
— It ___________ be hers. Don't you remember she even didn't come to the party?
—John ______.
—No, you needn't.