阿摩線上測驗
20.
(A) In case early support is not provided
(B) As if early support were of importance
(C) Provided that early support is offered
(D) Even if early support is offered
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統計： A(3), B(4), C(34), D(7), E(0) #3888284
統計： A(3), B(4), C(34), D(7), E(0) #3888284
