Question

When I entered the room, I found Mary ______ at the desk ______ her homework.

A．sat; doing	B．sitting; to do
C．seating; to do	D．seated; doing

Answer 1

D

考查非谓语动词。第一个空考查过去分词作宾补， seat动词“坐”没有现在分词形式，故用 seated，第二个空用doing做伴随状语。故选D。句意：当我进入房间的时候，我发现玛丽坐在桌旁，做作业。