having been done和had been done的区别
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having been done和had been done的区别
All the tasks______ahead of time,they decided to go on holiday for a week.
A.having been fulfilled
B.had been fulfilled
为什么选A而不是选B?
All the tasks______ahead of time,they decided to go on holiday for a week.
A.having been fulfilled
B.had been fulfilled
为什么选A而不是选B?
这道题考的是独立主格
独立主格表时间用法
例句
The meeting being over,all of us went home.开完会后我们都回家了.
如果选B
时态没问题,但是两个句子都可以独立成句了,句子之间没有连词
应该后面句子有个 so 或者前面句子有个 because 等表原因结果的连词
独立主格表时间用法
例句
The meeting being over,all of us went home.开完会后我们都回家了.
如果选B
时态没问题,但是两个句子都可以独立成句了,句子之间没有连词
应该后面句子有个 so 或者前面句子有个 because 等表原因结果的连词
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