作业帮They heard a message from a spacecraft.（用just改现在完成时） They ___ just ___ a message from a sThey heard a message from a spacecraft.（用just改现在完成时） They ___ just ___ a message from a spacecraft.Have you got a letter from
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They heard a message from a spacecraft.（用just改现在完成时） They ___ just ___ a message from a sThey heard a message from a spacecraft.（用just改现在完成时） They ___ just ___ a message from a spacecraft.Have you got a letter from
They heard a message from a spacecraft.（用just改现在完成时） They ___ just ___ a message from a s
They heard a message from a spacecraft.（用just改现在完成时）
They ___ just ___ a message from a spacecraft.
Have you got a letter from Lucy?（改同义句）
Have you ____ ____ Lucy?
To understand the problem is very difficult.（用it作形式主语）
_____ _____ very difficult ____ understand the problem.
I came here two days ago.（改同义句）
I ____ ____ here _____ two days.
Her mother has been to HongKong (seveal times).（对括号提问）
_____ _____ _____ has her mother been to HongKong?
They heard a message from a spacecraft.（用just改现在完成时） They ___ just ___ a message from a sThey heard a message from a spacecraft.（用just改现在完成时） They ___ just ___ a message from a spacecraft.Have you got a letter from
They have just heard a message from a spacecraft.完成时have +done
Have you heard from Lucy?有谁的消息可以用hear
It is very difficult to understand the problem .前面加it is后面加to do这个句型是固定的.
I have come here for two days.完成时,for+一段时间表持续状态.
How many times has her mother been to HongKong?这个是问去了几次.
1、They have just heard a message from a spacecraft.
2、Have you heard from Lucy?
3、It is very difficult to understand the problem.
4、I have been here for two days.
5、How many times has her mother been to HongKong?
1.have heard
2.heard from
3.It is to
4.have been for
5.How many times
they have just heard a message from a spacecraft
1.have heard（heard的过去式还是heard）
2.heard from（hear from 收到……的来信）
3.It is to（固定句型it is adj. for sb to do sth.
P.S：常考句型，注意哦）
4.have been for（持续一段时间用for）
5.How many times