题目内容
Since the Internet ________ China, it has developed at a surprising speed.
[ ]
A.was come to
B.introduced to
C.is brought in
D.was introduced to
答案:D
解析:
解析:
|
since引导时间状语从句,当从句用过去时或过去时间状语时,主句用现在完成时,表达“从过去某个时间到现在的情况”,这是一种时态关联“再根据语态,因此选D项。” |
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