题目内容
Both research and practical experience have shown that ________ balanced diet is essential to ________ health.
[ ]
A.
the; /
B.
a; the
C.
/; the
D.
a; /
答案:D
练习册系列答案
相关题目
题目内容
Both research and practical experience have shown that ________ balanced diet is essential to ________ health.
the; /
a; the
/; the
a; /