—What class are you in? — I’m in _____.A. grade 7, class 2B. Class 2, Grade 7C. Grade 7, Class 2
—I’m very tired these days because of the senior high school entrance examination. —Why not______music? It can make you ______.
—Who’s the man over there? Is it Mr. Black? —It ______ be him. He’s much taller.
—Mr. Li ______ to Mary carefully when I entered the classroom this morning. —He is very patient ______ he is young.
— I’ll call your parents if your homework ________ before four o'clock today. — Sorry, Mr. Li. I’m doing it right now.
—Excuse me, Could you tell__________? —Yes. Go along this street and you will find it on your left.