題目：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
正確答案：C
試題解析：暫無
They _______ their homework for two hours before dinner.
A. Had done
B. Have done
C. Were doing
D. Will do
正確答案：C
試題解析：暫無
