问题详情:
Sally took a photo of her friends while they ________ computer games.
A. play B. are playing C. were playing D. playing
【回答】
C
知识点:动词时态
题型:选择题
问题详情:
Sally took a photo of her friends while they ________ computer games.
A. play B. are playing C. were playing D. playing
【回答】
C
知识点:动词时态
题型:选择题