问题
选择题
________, the Internet was only used by the government. But now it’s widely used in every field.[ ]
A. As usual
B. At first
C. After all
D. So far
答案
B
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________, the Internet was only used by the government. But now it’s widely used in every field.[ ]
A. As usual
B. At first
C. After all
D. So far
B