The problem is difficult for a little girl to __________.

A. work for　　　　 B. solving　　　 C. work out 　　　　 D. dealing with

The problem is difficult ________.

[　　]

A．to be done

B．to be worked out

C．to work out

D．to doing

The kid is not ______ to work out the problem, for it’s too difficult.

    A. likely       B. perhaps      C. maybe            D. probable

The kid is not ______ to work out the problem, for it’s too difficult.

1. A.
   likely
2. B.
   perhaps
3. C.
   maybe
4. D.
   probable

The problem is too difficult. ________ is impossible for you to work it out.

1. A.
   It
2. B.
   This
3. C.
   That
4. D.
   Which