阿摩線上測驗
6 If students only have a(n) _________ grasp of this complicated mathematical concept, it is difficult for them to learn another one.
(A)tenuous
(B) gratuitous
(C) suspicious
(D) envious
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統計： A(26), B(9), C(13), D(4), E(0) #1670209
統計： A(26), B(9), C(13), D(4), E(0) #1670209
