题目内容
— To build Hong Kong-Zhuhai-Macao Bridge, the engineers worked hard and solved all the problems they met.
— That’s true. Nothing is difficult ______ you put your heart into it.
A. if B. unless C. so
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题目内容
— To build Hong Kong-Zhuhai-Macao Bridge, the engineers worked hard and solved all the problems they met.
— That’s true. Nothing is difficult ______ you put your heart into it.
A. if B. unless C. so