I noticed Marcus was feeling depressed when I saw him _____________ over on the couch.
我儿子填了slumping,老师判他错,说正确答案应该是slumped.因为整个句子是过去时。
但是据我以前学的语法来说 saw somebody do something or saw somebody doing something才应该是正解啊
现在很糊涂,问了几个家长,他们都说老师对。这里家长高手多,帮忙看看?