问题
选择题
The number of students in our school ____about 30,000 and ______them study hard.
A．is; a large amount of
B．are ; a number of
C．are ; large amount of
D．is ; a large number of
答案
答案：A
本题考查主谓一致。a numberof大量的……，谓语动词用复述 thenumberof ……的数量 谓语动词用单数。