when we got there ,we saw him ___ at the table .A work B to work C was working D working为什么选D
问题描述:
when we got there ,we saw him ___ at the table .A work B to work C was working D working
为什么选D
答
see sb. doing 指看到某人的时候他正在干某事
答
see sb doing sth
看见某人正在做某事
固定搭配
答
see sb doing 看见某人做某事(固定搭配)