We were all at a loss, ________ what was behind this sudden change of the plan.[ ]A. to wonderB. won

题目简介

We were all at a loss, ________ what was behind this sudden change of the plan.[ ]A. to wonderB. won

题目详情

We were all at a loss, ________ what was behind this sudden change of the plan.
[     ]
A. to wonder  
B. wondered
C. wondering  
D. wonder
题型:单选题难度:中档来源:江苏同步题

答案

C

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