问题
选择题
Maria has _____ trouble _____ math, so she often asks her math teacher for help.
A.much; understanding
B.no; with
C.many; understanding
D.not; to understand
答案
答案:A
题目分析:句意:Maria理解数学有很多困难,所以他经常向数学老师求助。Trouble困难,不可数名词,可用much修饰,many修饰可数名词服饰;have trouble doing sth.做某事有困难,动词用ing形式,故选A。