He smiled politely ________ Mary apologized for her drunken friends. (2012·山东,27)
. Why _____ the car break down just when I was about to start? A must B can C may D need
..Everyone in the building can hear Tom’s words:“Mother, the window _____.please come to help me.” A can’t be shut B. will be shut C. doesn’t be shut D. won’t be shut
.-----I_____ asleep while I was reading. -------It doesn’t matter.
一、情态动词类 .Facts prove that the world’s economic development is not a win—lose game but one in which all _____be winners. can B.shall C.must D.would
. ---Why are they taking all the equipment away? ---The job ____, they are packing up to leave.