Shall we use environmental problem in Ha Noi as a theme of the presentation?Đoạn văn34/40Shall we use environmental problem in Ha Noi as a theme of the presentation?She suggests use environmental problem in Ha Noi as a theme of the presentation.She suggests to use environmental problem in Ha Noi as a theme of the presentation.She suggests to using environmental problem in Ha Noi as a theme of the presentation.She suggests using environmental problem in Ha Noi as a theme of the presentation.Giải thíchĐáp án D