Wearing blue or sleeping in a blue room good for our .A. are healthyB. is healthC. are

问题补充：

Wearing blue or sleeping in a blue room good for our .

A. are, healthy

B. is, health

C. are, health

D. is ,healthy

答案：

A. are, healthy

(答案→)B. is, health

C. are, health

D. is ,healthy

解析：句意：身穿蓝色或睡在一个蓝色的房间对我们的健康有好处。动名词作主语谓语动词用第三人称单数，我们的健康，要用名词形式，故选B。

考点: 考查主谓一致和名词的用法。