Truyen hay day moi nguoi!!

Trong lop hoc jo dao duc, thay giao dang giang ve cong on cua thay co.Thay giao hoi ca lop:- Cac em hay cho bit 1 cau ca dao ve nguoi thay.Lop im lang.Thay giao goi y :Cau nay co 2 chu "ma`y" , "ne^n".Lop van imlang.Thay lai goi y:- cau nay co ca 2 chu "kho^ng " va "do^". Lop tiep tuc im lang.Thay giao dien tiet :Cau nay co 6 chu , co ca 2 chu "tha^y " va "la`m".day la cau ji? Cuoi lop co 1 canh tay rut re jo len .
- Em cho biet do la cau ji? Thua thay do la cau :"La`m tha^y ma`y khong ne^n do^"
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