题目

____ troubles me most right now is____ I can’t remember where I have put my car keys.        A.That ;what    B.What;that    C.What;what    D.That;that 答案：BBeing quick-minded and good at communicating, the young man was appointed to address the tough problem _______ the company.A. in terms of B. on behalf ofC. in favor of D. on top of