她喜欢在相册中每隔几页就插入一张空白页来写备注。

She likes to ___interleave blank pages every few pages in her photo album for notes.

老师把数学问题和历史事实交替穿插在测验中。

The teacher ___interleaves math problems with historical facts in the quiz.

为了提高效率，程序将两个文件的数据交替存储。

The program ___interleaves data from two files for better efficiency.