Battery-operated slippers are used ______ seeing in the dark.
A．to B．as C．by D．for
Peter forgot to tell you when ________.
A．did he call you up B．he called you up
C．did he call up you D．he called up you
We can't ______ making a plan. Clean-Up Day is only two weeks from now.
A．put off B．put up C．put away D．come up with
Would you like some drink? _______ .
A．I think so. B．No,thank you.
C．That's all right D．Yes, OK.
Can you provide us ____ some information about the kinds of vacations that you can
offer?
A．in B．for C．with D．to
I saw him ______ the game on the computer yesterday evening.
A．played B．playing C．play D．to play
