The lady in the sitting room           be over sixty. She looks so young.

—Teenagers _______ allowed to drive a car. — That’s true. It’s too dangerous for them to drive a car.

---______ he have been chosen as captain of our school football team? ---Yes, he______. Can’t you see he’s wearing an armband?

I am feeling sick now．I ________ so much chocolate．

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