阿摩線上測驗
4 I studied calculus when I was in senior high school, but I have forgotten everything. I cannot________much of it. I need to study it again.
(A) combine
(B) assess
(C) recall
(D) extend
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統計： A(0), B(0), C(3), D(0), E(0) #3354216
統計： A(0), B(0), C(3), D(0), E(0) #3354216
