问题
选择题
The Beatles began to be popular ______ in the USA.[ ]
A. in the 1960s
B. in the year1960
C. in 1960's
D. in 1960
答案
答案：A
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The Beatles began to be popular ______ in the USA.[ ]
A. in the 1960s
B. in the year1960
C. in 1960's
D. in 1960
答案：A
