问题
选择题
The number of workers in this factory _______ a lot this year. There were only
a few workers in it two years ago.
A.have increased
B.has increased
C.have risen
D.has booked
答案
B
考查固定搭配。The number of作主语,谓语动词用第三人称单数,故排除A和C.句意:这家工厂工人的人数今年增加了很多,两年前,仅仅有几个工人。根据句意排除D。