题目

. --- What can I do for? --- I’d like to buy a gift for my sister’s birthday, one at a proper price but of _____ great use and it’d better be ______ surprise. A. /; a                         B. the; a                      C. a; /                         D. /; the 答案：AI share the room ____my sister and we are very friendly ____each other.A．to; toB．to; withC．with; withD．with; to