Susan has ________ difficulty ________ math, so she often asks me for help.A.much; understandingB.no; withC.many; in understandingD.not; to understand
网友回答
A解析解析：本题考查have difficulty (in) doing sth句式的用法。此句式意为“做某事有困难”，其中difficulty为不可数名词，因此不能用many修饰，先排除C。又根据后句“她常向我求助”，说明她有困难．而不是没有困难，故排除B、D两项；因此选A。