问题详情:
单项填空
从每小题所给的A、B、C、D四个选项中选出一个可以填入空白处的最佳选项。
When the man downstairs knocked at the door, I _______.
A. am doing housework B. was doing housework
C. were doing housework going to do housework
【回答】
B
知识点:动词时态
题型:选择题
问题详情:
单项填空
从每小题所给的A、B、C、D四个选项中选出一个可以填入空白处的最佳选项。
When the man downstairs knocked at the door, I _______.
A. am doing housework B. was doing housework
C. were doing housework going to do housework
【回答】
B
知识点:动词时态
题型:选择题