过去几年里，我们一直通过电子邮件保持联系。

We have been ___corresponding by email for the past few years.

他说的英文单词“apple”对应的中文是“苹果”。

The English word "apple" ___corresponds to the Chinese word "苹果".

账单上的金额与收据不符。

The amount on the bill doesn't ___correspond to the receipt.