题目内容
The sun gives us ________ heat and ________ light.
A.the; the B.a; a C.a; the D./; /
D
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The sun gives us ________ heat and ________ light.
A.the; the B.a; a C.a; the D./; /
D
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sized black hole in a cluster (group) of stars called M15, about 32,000 light years away.