问题
选择题
____ you eat the correct foods _____ be able to keep fit and stay healthy. [ ]
A. Only if ; will you
B. Only if ; you will
C. Unless ; will you
D. Unless ; you will
答案
答案：A
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____ you eat the correct foods _____ be able to keep fit and stay healthy. [ ]
A. Only if ; will you
B. Only if ; you will
C. Unless ; will you
D. Unless ; you will
答案：A