问题
选择题
－How many workers are there in your factory?
－______ the workers in my factory_______ over two thousand .
A．The number of , is
B．The number of , are
C．A number of, is
D．A number of , are
答案
答案：A
表示···的数量用the number of，且作为主语时，相当于单数形式，故选答案为A