问题补充:
The Smiths their breakfast when the doorbell rang.
A. had
B. has been having
C. are having
D. were having
答案:
A. had
B. has been having
C. are having
(答案→)D. were having
解析:句意“史密斯一家正在吃早餐,就在这时门铃响了”。主语The Smiths为复数,主谓要一致,谓语也要用复数形式。
时间:2022-01-24 16:06:36
The Smiths their breakfast when the doorbell rang.
A. had
B. has been having
C. are having
D. were having
A. had
B. has been having
C. are having
(答案→)D. were having
解析:句意“史密斯一家正在吃早餐,就在这时门铃响了”。主语The Smiths为复数,主谓要一致,谓语也要用复数形式。