问题补充:
The number of students who took part in the competition last week more than 1500.
A. reach
B. were
C. is
D. was
答案:
A. reach
B. were
C. is
(答案→)D. was
解析:考查主谓一致。主语是The number of students,The number of+复数名词,作主语时,谓语动词用单数,排除A,B;且时间是last week,所以要用一般过去时态,选D。