问题
选择题
(2013·浙江，8)Eye doctors recommend that a child's first eye exam ________ at the age of six months old.
A．was
B．be
C．were
D．is
答案
答案：B
考查虚拟语气。题干关键词为recommend，表示“推荐，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。