问题
选择题
The Turners ______ cards when a stranger ______ at the door.[ ]
A. played; was knocking
B. were playing; knocked
C. play; knocks
D. are playing; knocked
答案
B
The Turners ______ cards when a stranger ______ at the door.[ ]
A. played; was knocking
B. were playing; knocked
C. play; knocks
D. are playing; knocked
B