Question

______ 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

Answer 1

A

本题考查倒装结构。Only位于句首强调状语时，句子要部分倒装，即将助动词或情态动词提前。全句意为：你只有正确饮食，才能保持健康。