第一节:单项填空(共15小题,每小题1分,满分15分。从A、B、c、D四个选项中,选出可以填入空白处的最佳选项。)
21.I think it’s impolite to play ______ trick on others just for ______ fun
A.a:\ B.\;a C.the;\ D.a;a
22.一Did he notice you enter the classroom? 、
一I don’t think so.He _______ to the radio with his eyes shut·
A.1istened B.was listening C.has listened D.had listened