Which do you ______, story books or comic books?
—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.
What bad weather! The plane will _______ at 8:00 o’clock this evening.