选择____students have gone to the country to help with the harvest,A:A great many of B:A number of
问题描述：
选择____students have gone to the country to help with the harvest,A:A great many of B:A number of
答
B.a great number of
如果选A,用a great many 不加of
a great many ≈a number of
a great many后面直接加复数可数名词
a great many of 后面跟限定语再跟名词
例如:
a great many students
a great many of "my" classmates