—On my way to the bookstore, I saw Mary hanging out with her friends.
—It________be her. She has gone to Beijing.
A.can't B.mustn't C.might D.could
—Tom, it smells so terrible here.
— Sorry, mum. I will ________my socks and wash them right away.
A.put off B.take off C.turn off D.cut off
—Will you go to Lisa's housewarming party next Sunday?
—Well, if I________, I will go on time.
A.invite B.will invite C.am invited D.will be invited
—I think I am the shyest in my class. What should I do?
—Be more active in class, ________ you can improve your ability to express yourself.
A.so that B.unless C.or D.although
—I think washing hands every day is good________ our health.
—Yes, I agree________you!
A.to; to B.with ;to C.for; with D.at; with
—Could you tell me why you learn English so well?
—It's very simple. ________ you study, ________ grades you will get.
A.The harder; better B.The harder; the better
C.Harder; better D.Harder; the better
