什么导致了雪球迅速融化()
A、板块运动
B、地震
C、太阳黑子
D、温室气候
参考答案:D
—Jimmy had a lot of parties recently.
—Yes, that might ______ why he didn't do well in the test.
A.turn up
B.add up to
C.account for
D.make sense of
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