have completed表示還沒做完,用完成時
由于作狀語,所以改成現(xiàn)在分詞形式,即having completed
改成否定,就是Not having completed
______the programme,they have to stay there for another two weeks.”
______the programme,they have to stay there for another two weeks.”
A.Not completing B.Not completerd C.Not having completed D.Having not completed
為什么?
A.Not completing B.Not completerd C.Not having completed D.Having not completed
為什么?
英語人氣：454 ℃時間：2019-08-20 19:04:24
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