Eye doctors recommend that a child’s first eye exam ________ at the age of six months old. (2013·浙江,8)
A.was | B.be |
C.were | D.is |
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Eye doctors recommend that a child’s first eye exam ________ at the age of six months old. (2013·浙江,8)
A.was | B.be |
C.were | D.is |