—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
A. can; must B. can; may C. must; can D. may; must
—Daddy, can you buy me a new MP3 when you go to Beijing?
—You ______ get one if you are admitted to a key middle school.
A. could B. shall C. may D. can
My parents kept their _____and took me to Shanghai, where we had ____.
A.word, funs B.words, fun C.word, fun D.words, funs
Every time the father comes into his room, the boy pretends ______ earnestly.
A. reading B. to be reading C. to be read D. to have read
It is a pity that none of the ______ stopped ______ the poor man lying there, begging.
A. passer-bys; to help B. passers-by; helping
C. passer-bys; helping D. passers-by; to help
I went to the newly-built super-market and found there was nothing worth_____.
A.to buy B.buying C.to be bought D.being bought
