题目详情
单选题 Ron was chopping the vegetables Ginny was boiling the rice
A. Ron was chopping the vegetables, and Ginny was boiling the rice
B. When Ron was chopping the vegetables and Ginny was boiling the rice
C. Ron was chopping vegetables and while Ginny was boiling the rice

学科:默认课程
时间:2025-11-16 06:21:45
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