There’s something wrong with one of her eyes, but her _______ eye is OK.

Jack’s business is not as good as before, so he has to ________ the expenses of his company.[ ]

The teacher told us how to solve this problem and ___

It was the training _____ he had as a young man _____ made him such a good engineer. [ ]

下列句子中“而”字的用法与例句相同的一项是例句：冰，水为之而寒于水