问题补充:
There are students in my school. students in my school is over 5000.
A. a number of, A number of
B. the number of, The number of
C. the number of, A number of
D. a number of, The number of,
答案:
A. a number of, A number of
B. the number of, The number of
C. the number of, A number of
(答案→)D. a number of, The number of,
解析:a number of 表示大量的,后接可数名词复数形式,作为主语时,相当于复数形式,而the number of 表示···的数量,作为主语时相当于三单形式,故选D