B having been filled
逗號后面是一個完整的句子,又沒有and連接,所以,前面的句子,不應該是一個完整的句子,其他選項放進去,都是一個完整的句子,也就是說,had,were都可以做謂語動詞.
D的話,沒有have提示,怎么能用been呢,been是過去分詞,和have一起,才能表示完成時的,不能單獨用
此處是現在分詞的完成時作原因狀語,相當于原因狀語從句,可用because,since,for來改寫.
All the tasks _______ahead of time ,they decided to go on holiday for a week.
All the tasks _______ahead of time ,they decided to go on holiday for a week.
ll the tasks _______ahead of time ,they decided to go on holiday for a week.
A had been filled B having been filled
C were filled D been filled
All the tasks _______ahead of time ,they decided to go on holiday for a week
A had been filled B having been filled
C were filled D been filled
ll the tasks _______ahead of time ,they decided to go on holiday for a week.
A had been filled B having been filled
C were filled D been filled
All the tasks _______ahead of time ,they decided to go on holiday for a week
A had been filled B having been filled
C were filled D been filled
英語人氣：810 ℃時間：2020-06-06 13:33:14
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