655.The coach,because of the driver's carelessness,was ________ and crashed over the cliff on such a cold December morning.

A.in support

B.out of control

C.in charge

D.at the mercy

656.Can't you notice that there is little time left?Please tell me the whole thing ________.

A.in case

B.in brief

C.in total

D.in detail

655.答案是是B;

考查介词短语在具体语境中的运用。In support后备的，供支援用的；in support of支持；out of control失控；in charge 负责；at the mercy of 任凭…的摆布。

656.答案是B;

in brief简而言之；in total 总计，合计；in detail详细地。此题应注意上下文there is little time left的暗示。