题目内容
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提问人:网友ckwy379
发布时间:2022-01-07
[主观题]
The problem is very serious.() ________ ________the problem is!
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A、The pollution problem is not only serious but complicated to deal with.
B、The pollution problem is serious because it is complicated.
C、Pollution is very serious, so it is a complicated problem.
D、Pollution is very serious and complicated, so it is a difficult problem.
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