问题
选择题
Yon' d better _____ your diet rather than eat the same things all the time.[ ]
A. vary
B. changed
C. convert
D. altered
答案
答案：A
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Yon' d better _____ your diet rather than eat the same things all the time.[ ]
A. vary
B. changed
C. convert
D. altered
答案：A