Eye doctors suggest that a child’s first eye exam at the age of six months old.
A. was
B. be
C. were
D. is
网友回答
A. was
(答案→)B. be
C. were
D. is
解析：句意：眼科大夫建议小孩的第一次视力检查应该在六个月大的时候。题干关键词为 suggest，表示 “建议 ”，后接宾语从句时应用（ should+）动词原形的虚拟语气，此处省去了 should，故答案为 B。