—What have you been busy with these days?
—I that the speech contest has been brought forward, so I for it.
A. was informed; have been preparing
B. have informed; am preparing
C. informed; have prepared
D. was informed; prepared
网友回答
(答案→)A. was informed; have been preparing
B. have informed; am preparing
C. informed; have prepared
D. was informed; prepared
解析：考查时态。根据句意可知我被通知演讲比赛被提前是过去发生的事情，所以用过去时。从被通知开始我就一直在准备，这个动作持续到现在，所以使用现在完成进行时。句意：—这些日子你在忙什么？—我被通知演讲比赛已经被提前了，所以我一直在为之做准备。