After they _______ stars in their own co
题型:选择题
问题:
After they _______ stars in their own country, the Beatles _______ the United States.
A.had become; toured
B.have become; toured
C.became; toured
D.became; had toured
After they _______ stars in their own country, the Beatles _______ the United States.
A.had become; toured
B.have become; toured
C.became; toured
D.became; had toured