watch sb do doing有关具体问题如果句子中有时间状语如just now,一定用do I saw her ____(lie) on the beach just now.用哪个

问题描述:

watch sb do doing有关具体问题
如果句子中有时间状语如just now,一定用do
I saw her ____(lie) on the beach just now.用哪个