问题
选择题
The first edition was published in1955 and _____ a best-seller ever since. [ ]
A. had been
B. will be
C. would be
D. has been
答案
答案:D
The first edition was published in1955 and _____ a best-seller ever since. [ ]
A. had been
B. will be
C. would be
D. has been
答案:D