---Yourpictureiswonderful!---Iworkedfor8hours

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问题详情：

---Yourpictureiswonderful!---Iworkedfor8hours

---Your picture is wonderful!

---I worked for 8 hours _______I finished it．

A．when B．before C．while D．after

【回答】

B

知识点：连词

题型：选择题

Iworkedfor8hours

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