Question

________, 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

Answer 1

B

A. As usual 通常  B. At first 起初  C. After all 畢竟   D. So far到目前為止，從But now it’s widely used in every field.（但是現在被廣泛用在每一個領域）可知，前面應該選起初，因此選B。