—Look! The man at the gate _______be our headmaster. He is always standing there every morning.—No, it_______ be him. He is holding a meeting in the office now.
—There’re a few new words in the article? —What about _________in your dictionary?
—How do you improve your listening skill, Mary? —I often do it _________ tapes and English radios.
After a 3-week winter vacation, students usually some weight when they return to school.
Dear students, please read the passage carefully. _______you are ____mistakes you’ll make.
—What did Tina say? —Sorry, I didn’t________what she said.