Question

【题目】I remember ________ the classroom this afternoon, but now it is a real mess.

A. cleaning B. clean C. to clean D. cleaned

Answer 1

【答案】A

【解析】句意：我记得今天下午打扫了教室，但现在真是一团糟。remember doing sth.记得做过某事，事情已经做完；remember to do sth.记住去做某事，事情还没有做。结合语境“but now it is a real mess.” (但现在真是一团糟)判断，事情已经做完，故答案为A。