The workers say（）painting the downstairs rooms by Wednesday.
A、
they've finished
B、
they're going to finish
C、
they finish
D、
they'll have finished
【正确答案】：D
【题目解析】：
“by＋时间”出现时，句子多用完成时，排除BC；根据句意可知是“周三前完成”故选D。句意：工人们说他们会在星期三前油漆完楼下的房间。
The workers say（）painting the downstairs rooms by Wednesday.
The workers say（）painting the downstairs rooms by Wednesday.
they've finished
they're going to finish
they finish
they'll have finished
“by＋时间”出现时，句子多用完成时，排除BC；根据句意可知是“周三前完成”故选D。句意：工人们说他们会在星期三前油漆完楼下的房间。