英语时态语法1.In this experiment ,they are wakened several times d

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英语时态语法
1.In this experiment ,they are wakened several times during the night,and asked to report what they -----.
A are just dreaming B have just been dreaming
正确答案是B Why?
2.ladys and gentleman ,due to an unexpected accident,one of the singers whom aii of you have come to hear------tonight
横线上应填won’t be performing 那可不可以填won’t perform

第一题用B因为这是一个现在完成进行时,表示刚才一直在做的事.
第二题用的是将来进行时说明这个歌手将在表演,如果用后一种只说明将要做的事.(这个歌手因意外事故将不能一直在台上表演了)

英语时态语法1.In this experiment ,they are wakened several times d 1、In this experiment,they were wakened several times during In this experiment,they are wakened several ttimes during th In this experiment,they are woken up several times during th ____(experiment) on several times ,this new type of machine 英语时态.he has come here several times.为啥不对? 几道英语完形填空1、Several industries are d( ) in this area.2、Jim als There are several _______ in this street. several times前用什么时态 they said they---here several times They are to be married in this May. 这个是什么时态?局中的merried是怎么回事? They are to be married in this May. 这个是什么时态?月份前不是不能加this 和th