問題詳情

12. Parents must ensure that their children obtain an adequate amount of calcium in their diet _____ strengthentheir bones.
(A) because of
(B) in order to
(C) so as
(D) in light of

參考答案

答案：B
難度：簡單0.714286
統計：A(1),B(10),C(2),D(1),E(0)