—Be quiet, Mr. Smith is coming.—Don’t worry. It ___ be him. Mr. Smith is much taller.A. mustn’t B. must C. can’t
—Hello! I’d like to speak to Wang Fei.—_______ She is coming.
—Where are you going, Jack?—I’m going to _______ the English corner. Would you like to _______ me?—I’m afraid I can’t.
—What happened to Mike?—He had a stomachache. He began to work _______ having breakfast this morning.
Look out! Can you see some boy students ________ basketball?
This piano is too big. Can you make ________ for it?