問題詳情
37. Canned food needs _______ before it is served.
(A) to heat
(B) having heated
(C) being heating
(D) to be heated
參考答案
答案：D
難度：適中0.686131
統計：A(26),B(3),C(10),D(94),E(0)
用户評論
【Test12345】評論
heat v.加熱Canned food needs to be heatedbefore it is served. 罐頭食物食用前必須加熱 。→加熱是動作,主詞為物時,物自己不會加熱，所以已用被動<被加熱