They_chess for three hours__ Tom entered the room. A) were playing, till
B) Are playing, if
C) had been playing, when
D)played,since
E) were playing, as soon as

Question

Английский язык: They_chess for three hours__ Tom entered the room. A) were playing, tillB) Are playing, if C) had been playing, whenD)played,sinceE) were playing, as soon as

МашаСовельник · Answer

they had been playing chess for three hours when Tom entered the room

Объяснение:

хз А и Д по смыслу больше подходит но С звучит будто оно там так и должно быть, обычно уточняют время когда пишется have/had been