—For your health, my boy. I'm afraid you _______.
—It_______ a hotel. But I'm not sure.
—You be joking! Don't you know I'm afraid of water?
—It be rainy, cloudy or sunny. Who knows?
I think somebody it .
— No, she _________. And I can't .
—It __________be her. Miss Wang is much taller.
—No. It_________ be Linda. She has gone to London.
—It ________ be rainy, cloudy or sunny. I'm not sure.
—I'm not sure. He ________ in the teachers'office.
— No. He ______ be in the classroom. Mr. Wang has sent him to the library.
—No, you______. You must finish your homework first.