【题目】Sam's bakery________a partnership with a local coffee company．Now they serve great coffee．
A. has formed B. would form
C. is forming D. will form
在线课程【答案】A
【解析】根据动作形成关系（“has formed a partnership”）已经发生并持续到现在，该动词用现在完成时，have+done。句意：山姆的面包房和一家当地咖啡公司已达成了合伙人关系。他们现在卖很棒的咖啡。