51.
(A) doctors
(B) friends
(C) designers
(D) contributors

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統計： A(4), B(12), C(121), D(23), E(0) #1670384

貝蒂林

B1 · 2017/10/13

#2445779

(A) doctors 醫生(B) fr...

(共 87 字，隱藏中）

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B2 · 2018/02/04

#2613014

Their ___51___ must have been bitten by too many mosquitoes while camping.
(C)設計人designers
(D)貢獻者、捐贈者contributors
覺得(C)(D)語意都可以，(C)(D)應給分。