－ Henry isn't quite himlf to

【题目】－ Henry isn't quite himlf today. He ems to be so tired.

－ He said he had worked on his project ________ the whole night.

A. over    B. with

C. through    D. in

【答案】C

【解析】

考查介词用法。句意：—亨利今天不大舒服。他看起来很累。—他说他整晚都在做他的项目。此处through“遍及，贯穿”，故选C。