Question

【题目】——During the APEC summit（峰会)，Beijing's sky was so blue and clear.——ItAPEC blue.But too bad it no longer stays that way．
A.is called
B.are called
C.called
D.calls

Answer 1

【答案】A
【解析】句意：——在 APEC峰会期间，北京的天空是那么的蓝。一一它叫做 APEC蓝，但是太遭糕，再没有那样的蓝了。主语是谓语动词的执行者，用主动语态，主语是谓语动词的承受者，用被动语态。本句主语it是谓语call的承受者，用被动语态，故选A。