问题
选择题
19．The Internet and the effect______________brought about did a lot of good to our daily life and work.
A．that
B．what
C．which
D．It
答案
答案：D
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19．The Internet and the effect______________brought about did a lot of good to our daily life and work.
A．that
B．what
C．which
D．It
答案：D
，以防汽车被盗。