All flights_because of the thick fog,we decided to go back to the hotel.
All flights_because of the thick fog,we decided to go back to the hotel.
why the answer is "having been cancelled"?
why the answer is "having been cancelled"?
英語人氣：887 ℃時間：2019-08-19 21:21:32
優(yōu)質(zhì)解答
完成時作狀語表示已經(jīng)取消,強調(diào)過去的動作對現(xiàn)在的影響
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