Do you know the boy ______ at the party last week? A. we talked about B. about him we talked C. we talk about him D. who we talked about himĐoạn văn124/200Do you know the boy ______ at the party last week?we talked aboutabout him we talkedwe talk about himwho we talked about himGiải thíchĐáp án A Câu mệnh đề