问题

Friendship is both ________ source of pleasure and ________ component of good health.
A:a; a
B:/; /
C:the; a
D:a; the
B:/; /
C:the; a
D:a; the
正确答案是:
同类题型
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weight may not be just about what you eatwhenyou eat it, according to a new study.
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