题目内容

一Are you going to Guilin by plane?
一It’s fast but expensive, so I’m not sure．I ________ take a train．
A．shouldB．mayC．mustD．will
B

试题分析：句意：你打算乘飞机去桂林吗？乘飞机快但是贵，所以我不确定，我可能坐火车。must,can(could),may(maight) 可以表示猜测，must 表示肯定猜测，用于肯定句，肯定……，一定……；can’t,表示否定猜测，肯定不……，另外can(could),may(maight)，表示可能性猜测，可能……。根据I’m not sure，可知猜测的可能性比较小，故选B
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