题目内容
The boy with two dogs ________ in the yard when the earthquake hit the city.
A. is playing B. are playing
C. were playing D. was playing
D
练习册系列答案
相关题目
题目内容
The boy with two dogs ________ in the yard when the earthquake hit the city.
A. is playing B. are playing
C. were playing D. was playing
D