题目

题型：不详难度：来源：

---Where has Mary been? I haven"t seen her all day?
---Oh,in order not to be disturbed, she spent the whole day __in the study, ___ her report.

A．locking;preparing	B．locked; prepared
C．locked; preparing	D．locking; prepared

答案

C

解析

此题第二空根据spend …(in) doing sth.结构应选preparing；第一空根据主语she与lock是被动关系，用过去分词作伴随状语。