The secretary worked all night long, ______ a long speech for the president. [ ]A. to prepare B. pre

题目简介

The secretary worked all night long, ______ a long speech for the president. [ ]A. to prepare B. pre

题目详情

The secretary worked all night long, ______ a long speech for the president.

 [      ]

A. to prepare
B. preparing
C. prepared
D. was preparing
题型:单选题难度:中档来源:同步题

答案

B

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