问题
选择题
The work ________ ahead of the schedule，they went to the seaside to have some fun.[ ]
A．had been finished
B．has finished
C．having been finished
D．being finished
答案
答案：C
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The work ________ ahead of the schedule，they went to the seaside to have some fun.[ ]
A．had been finished
B．has finished
C．having been finished
D．being finished
答案：C