评论
打印
501.Ring me at 5 am?No.Better not so early!I _________.
I got it.
A.will sleep
B.sleep
C.am sleeping
D.will be sleeping
502.Because of the Russian gas limit to Europe,attempts ______ to use botanical fuel as a source of power.
A.have made
B.having made
C.are being made
D.will be making
