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

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統計： A(0), B(1), C(0), D(0), E(0) #501404

詳解 (共 1 筆)

#3502681
B
(共 3 字，隱藏中）
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