Linda felt very ________ after the long way, she stopped to have a rest.
—Dave, it’s dangerous to swim here. Look at the sign. —Oh, I _______ it. Thank you.
— I’m not going swimming tomorrow afternoon. — ________. I have to clean up my bedroom.
—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.