The worsening of global warming, _____human activities are to blame, has led to frequently extreme weather.
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A
by which
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for which
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that
D
what
推荐题目
Your speech was heard by a group of judges, all of _______ agreed that it was the best one this year..
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who
B
whom
C
which
D
them
________is often the case, the weather has turned out well as expected.
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Which
B
When
C
What
D
As
The result of the experiment was every good, ______ we hadn’t expect.
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A
when
B
that
C
which
D
what