一I can’t find my pen.Could you lend me ________ ?—Sorry,I’m using it__________.
—Teenagers _______ allowed to drive a car. — That’s true. It’s too dangerous for them to drive a car.
----What can I do with so much money?----If I _______ you, I _______ give it away to charity.
—I hear Yang Yan made an English speech at school yesterday.—_______, and _______.
— Listen! Is that Linda singing in the next room?— No, it ________ be her. She is still in Shanghai.
---Did you use to be afraid of the dark? --- _________. And I’m still afraid of the dark now.