( ) My mother works _____ a bank . A. in B. on C. at
( )(15) ____ can I open it ?A. What B. Where C. How
( )(14) What are _______?A. this B. it C. these
( )(13) Can ____ have an apple ?A. me B. my C. I
( )(12) I’ll buy a watermelon _____ you.A. to B. of C. for
( )(11) ___ wears a warm sweater ?A. Who B. Whose C. What