Question

【题目】There are 50 students in my class. Fifty percent of them from poor villages.
A.is
B.are
C.was
D.were

Answer 1

【答案】B
【解析】句意：我们班有50名学生，90%来自贫困的村庄。由are可知此处用一般现在时，排除CD；them指students，所以谓语动词用复数，所以答案是B。