问题补充：
It is reported that schools are improving their IT environment.
A. a great many
B. a great deal
C. a large amount of
D. a large part of
答案：
A. a great many
B. a great deal
C. a large amount of
D. a large part of
解析：a great many 许多 修饰可数名词复数“据报道有许多学校在改善信息技术环境”
