Find out the mistake and correct them

II. Find out the mistake and correct them.(II. Tìm ra lỗi sai ở A,B,C hoặc D và sửa lại nó.)
5. These workmen are never satisfied: they always complain.

      A  ......................B..................C ........................  D

6. Look at the crowd! I am wondering what they are waiting for.

.........A .....B........................ C................................... D

7. Stop! Don’t you see the notice? I hate you.

   ....A  ............ B .........C.................  D