问题

The number of people visiting the exhibition ______ 50, and a number of them ____ painters.
A:;was; was;;;;;;
B:;were; was;;;;;
C:;was; were;;;; ;
D:;were; were;
B:;were; was;;;;;
C:;was; were;;;; ;
D:;were; were;
正确答案是:
同类题型
It’s a good habit to wash your hands ________ you have meals.
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