C.to be cooking
不定式的進行式,正在做某事
When the telephone rang,I happened______in the kitchen,but when I came over to get it,it rang off.
When the telephone rang,I happened______in the kitchen,but when I came over to get it,it rang off.
A.to cook B.to have cooked
C.to be cooking D.having cooked
A.to cook B.to have cooked
C.to be cooking D.having cooked
英語人氣：528 ℃時間：2019-10-17 05:40:17
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