A dam began ______ the book in 1960.[ ]A. work onB. working onC. to work atD. to work with-八年级英语

题目简介

A dam began ______ the book in 1960.[ ]A. work onB. working onC. to work atD. to work with-八年级英语

题目详情

A dam began ______ the book in 1960.
[     ]
A. work on    
B. working on    
C. to work at    
D. to work with
题型:单选题难度:中档来源:同步题

答案

B

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