11.I'm afraid it ______ tomorrow, but who knows?
    A. may have rained B. might rain C. would rain D. ought to rain
    12.The Caspian Sea, a salt lake, is ______any other lake in the world.
    A. largest B. the largest C. larger than D. the larger than
    13.______bricks, workers press clay into blocks and bake them to the requisite hard.
    A. Being made B. The making of C. To make D. Made
    14.He will go to America next month, if he ____ready then.
    A. is B. will be　C. shall be D. is going to be
    15.Cars moved very slowly in the 1920s, but they ______move more quickly than in 1910.
    A. were to can　B. did C. will D. can
    答案：BCCAB