题目

Are you looking forward _______ to Jim’s birthday party?A. coming B. to come C. to coming D. come 答案：【答案】C【解析】试题分析：句意：你期望来参加吉姆的生日聚会吗？look forward to doing sth“期望做某事”，故此处用to coming。故选C。75、50和30这三个数可以与下面哪个数组成一个比例？ [     ]A.20    B.25    C.35