问题补充:
The boy with two dogs in the yard when the earthquake rocked the city.
A. is playing
B. was playing
C. are playing
D. were playing
答案:
A. is playing
(答案→)B. was playing
C. are playing
D. were playing
解析: 根据时间状语从句可知主语为过去进行时态,主语为这个男孩,第三人称单数,故选B.
时间:2019-12-17 09:13:56
The boy with two dogs in the yard when the earthquake rocked the city.
A. is playing
B. was playing
C. are playing
D. were playing
A. is playing
(答案→)B. was playing
C. are playing
D. were playing
解析: 根据时间状语从句可知主语为过去进行时态,主语为这个男孩,第三人称单数,故选B.