选择题（时态问题）It has been only twenty-five years since television
选择题（时态问题）
It has been only twenty-five years since television _________ to control American free time.
A has come
B comes
C came
D is coming
It has been only twenty-five years since television _________ to control American free time.
A has come
B comes
C came
D is coming
可能相似的问题
你能帮帮他们吗