问题
选择题
He knows China very well. That is, he has _____ good understanding of _____ Chinese history. [ ]
A. /; the
B. /; /
C. a; a
D. a; /
答案
答案：D
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He knows China very well. That is, he has _____ good understanding of _____ Chinese history. [ ]
A. /; the
B. /; /
C. a; a
D. a; /
答案：D