Entering the office,I found the boos ___ at the desk,___ something on a piece of paper

问题描述:

Entering the office,I found the boos ___ at the desk,___ something on a piece of paper
a.sitting; wrote b.seated; writing
B

sitting
writing
find这个动词后面可以接原型,也可以接ing,前者表示发现动作的整个过程,后者只是看到部分