安赛蜜对人体的危害:pen,book,nice改写

pen,book,nice改写 the pen is beside the book.对不对？ He has a book and a pen和He have a book and a pen哪个对？？ PEN是什么？ Soft nice Nice是什么意思？？？ NICE CLAUP in pen 和with pen 不同？ www.new.pen.edu pen pal wanten