12. ________ a third yeat of the pandemic loomed, the seven-day average of U.S.cases topped 267,000

問題詳情

12. ________ a third yeat of the pandemic loomed, the seven-day average of U.S.cases topped 267,000 on Tuesday.
(A) Through
(B) As
(C) Since
(D) In

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增