題目：He _____ his homework at 9 oclock last night.
2024-11-13
He _____ his homework at 9 o\'clock last night.
A. was doing
B. did
C. had done
D. is doing
正確答案：A
試題解析：暫無
He _____ his homework at 9 o\'clock last night.
A. was doing
B. did
C. had done
D. is doing
正確答案：A
試題解析：暫無
