Question

【题目】Maria has _____ trouble _____ math, so she often asks her math teacher for help.

A.much, understanding

B.many, understanding

C.not, to understand

Answer 1

【答案】A

【解析】

试题分析：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。