一道关于完成时的选择题why are you still working on this project?It's 4 o'clock in the afternoon and you're supposed ____ it by noon.A.to finish B.to be finishing C.to have finished D.to have been finishing A怎么不行啊?有必要做完
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一道关于完成时的选择题
why are you still working on this project?It's 4 o'clock in the afternoon and you're supposed ____ it by noon.
A.to finish
B.to be finishing
C.to have finished
D.to have been finishing
A怎么不行啊?有必要做完成时吗?
我总是分不清
他们说的都不清楚.
BE SUPPOSED TO DO STH 表示应该做某事
YOU ARE SUPPOSED TO COME AT NINE.DONT BE LATE.
BE SUPPOSED TO HAVE DONE STH表示应该做而没有做(有责备的意思)
YOU ARE SUPPOSED TO HAVE COME AT NINE.WHY ARE YOU LATE?你本来该九点来的(却没来)干吗迟到啦?
当然要用完成时了。
问题中的时间表示已经是下午四点了,就表示BY NOON的时间是过去的时间,那你的动作当然应该是已经完成的了。
很简单,选C啊
将来完成时.
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