After they _______ stars in their own country, the Beatles _______ the United States.
#99894
A
had become; toured
B
have become; toured
C
became; toured
D
became; had toured
推荐题目
--How long ________ in that company before you work with us?--For eight 8 years.
#100523
A
were you employed
B
have you been employed
C
had you employed
D
will you be employed
--Where did you get the breaking news? --It _________ in the newspapers. 
#99515
A
published
B
is being published
C
would publish
D
has been published