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There must be a rain last night, _____ the ground was wet.
2024-01-16 10:01:35
中级语法题库
There must be a rain last night, _____ the ground was wet.
A.because
B.as
C.for
D.since
正确答案是C
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The day must be breaking, ____ the birds have begun singing.
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I hurried____ I wont be late for work.
