You ______ be polite to the old man.
| A．should | B．can’t | C．might | D．mustn’t |
—Let’s _________ soccer.
—Great! But I don’t have a soccer ball.
| A．play | B．plays | C．to play | D．playing |
—Do you like math?
—Yes, it’s difficult ________ really interesting.
| A．but | B．and | C．or | D．so |
—I think this ________ is too short.
—What about the _______ one?
| A．sweater; big | B．shoes; long | C．T-shirt; long | D．trousers; small |
—Where is my schoolbag, mom?
—It’s _______ your room.
| A．in | B．on | C．under | D．for |
—What’s your favorite ________?
—It’s science.
| A．color | B．subject | C．sport | D．food |