the number of students 后 应该＋are还是is the number of ...的主语是复数还是单数啊?那么 a number of 和 an amount of 还有 amounts of
问题描述：
the number of students 后 应该＋are还是is
the number of ...的主语是复数还是单数啊?
那么 a number of 和 an amount of 还有 amounts of
答
is
答
the number +is
答
the number of ＋单数
a number of ＝many ＋复数
an amount of ＝amounts of
答
单数
复数
单数和复数
同上
答
is
is
is are
is are