20.He devoted himself to __________ poor children.
(A) be taught
(B) teaching
(C) teach
(D) teaching with

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統計： A(0), B(32), C(11), D(8), E(0) #666700

詳解 (共 1 筆)

#1639042
devot to+V-ing
(共 16 字，隱藏中）
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