I'd very much join you,____ I'm up to my ears with my work.空格中填一个_英语解答

I'd very much join you,____ I'm up to my ears with my work.
空格中填一个连词,再麻烦各位将整个句子翻译一下下.

人气：281 ℃　时间：2020-02-05 11:09:23

解答

but
我非常想加入你们,但我实在有太多工作要做.