(    )4. -A homeless man found a big diamond in the mountain. He became rich over night.

       -_______.

    A. Better safe than sorry                         B. The early bird catches the worm

    C. Every dog has its day                         D. Too many cooks spoil the broth

(    )5. Please check your paper to_______ there are no mistakes before handing it in.

    A. think of                 B. try out            C. find out          D. make sure

(    ) 6. The new kind of mobile phone is_______ expensive, I don't have _______ money.

    A  too much; much too                   B. much too; too much

    C. too much; too much                    D. much too; much too