1.第一句話有兩種表達(dá)方法,如下：
He won't like such a question discussed at the meeting.(過去分詞短語作定語,修飾question）
He won't like such a question that was discussed at the meeting.（句子作定語；修飾question）
2.第二句話也有兩種表達(dá)方法：
He didn't notice his wallet stolen.( stolen 是一個(gè)過去分詞,在這里做賓語wallet 的補(bǔ)足語）
He didn't notice that his wallet had been stolen.( notice 之后接了一個(gè)賓語從句）