题目：They _______ their homework for two hours before dinner.
2024-11-13
They _______ their homework for two hours before dinner.
A. Had done
B. Have done
C. Were doing
D. Will do
正确答案：C
试题解析：暂无
They _______ their homework for two hours before dinner.
A. Had done
B. Have done
C. Were doing
D. Will do
正确答案：C
试题解析：暂无
