题目

I do feel _____________ Chinese language is _____________ most difficult one.    A. a; the             B. the; a             C. /; a               D. the; / 答案：B6．---Sam，would you mind if I copied the document？---_____．（　　）A．Of course not，go aheadB．Yes，pleaseC．Of course，do as you likeD．You're welcome