問題詳情

33. The marketing research firm had more than 500 ___________ to the survey by giving free gifts anddiscount coupons.
(A) data
(B) equipment
(C) respondents
(D) monitors二、文法測驗【請在下列各題中選出最適當的答案】

參考答案

答案:C
難度:適中0.534483
統計:A(19),B(3),C(31),D(1),E(0)

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