单元语法精讲专练语法专练一、单项选择。()1.generousthe little girl toshare her toys with the other kids.A.Its;ofB.Thats;ofC.Its;forD.Thats;for()2.Its importantthe piano well.A.of him to playB.for him to playC.of him playingD.for him playing()3.(2015年德州市)Everyone is supposeda seat belt in the car.A.wearingB.to wearC.to be wornD.wear)4.-May we leave the classroom now?-No,youYouto leaveuntil the bell rings.的回程母图日A.must;are allowedB.cant;arent supposedC.neednt;arent supposedD.couldnt;are not allowed)5.I dont suppose anyone can work out theproblem,A.do IB.dont IC.can theyD.cant they