___in the air, this kind of steel become harder and harder.
A.Cooling | B.Having cooled | C.Being cooled | D.Cooled |
—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 |