is, are, four, fourth The Olympic Games____held every____ years.

is, are, four, fourth
The Olympic Games____held every____ years.
【正确答案】：are;four
【题目解析】：【考点点击】本题考查主谓一致。【要点透析】泛指奥运会时,谓语用复数,故第一个空用 are every four years意为“每四年”, every fourth year意为“每隔四年”,由常识知,第二个空用four