问题
选择题
So popular ________ that the young generation are dying for one. [ ]
A. iPhone 4 has become
B. iPhone 4 had become
C. has iPhone 4 become
D. had iPhone 4 become
答案
答案：C
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So popular ________ that the young generation are dying for one. [ ]
A. iPhone 4 has become
B. iPhone 4 had become
C. has iPhone 4 become
D. had iPhone 4 become
答案：C