Mary always helps her mother even if going to school ____ most of her time．

       A．takes up            B．makes up            C．saves up       D．puts up

 Mary always ________ she is the only one that does any work..

A. stands out     B. figures out   C. makes out     D. looks out

Mary always ___ some difficult questions to me.

        A. puts       B. asks       C. shows      D. sets

_________ to a lot of new ideas when studying in college, Mary always does something that others can’t understand to realize her dream.

A. Exposing   B. Exposed     C. Being exposed     D. Having exposed