Ⅰ.单项选择。(共20小题,每小题2分,满分40分)
(A)从下面各小题A、B、C、D四个选项中选出可以填入空白处的最佳选项。
( )1.—Have you cleaned your room_____?
—Yes, I’ve_____cleaned it.
A.already, already B.yet, yet
C.already, yet D.yet, already
( )2.—_____ you _____ your homework yet?
—Yes, I _____ it ten minutes ago.
A.Did, do, finishedB.Have, done, have finished
C.Have, done, finishedD.Will, do, finish