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英语句型转换,一空一词Itseemsthatthemanhasdevotedmuchenergytothework.themanseems————————————muchenergytothework.theyseemstobeplayingcomputergamesjustnow————seems————they—

题目详情
英语句型转换,一空一词

It seems that the man has devoted much energy to the work.

the man seems———— ———— ————much energy to the work.

they seems to be playing computer games just now 
————seems ————they———— ————computer games just now

only after they have realized the importance will they begin to protect the source of the river .
It is only after they have realized the importance———— ———— ———— begin to protect the source of the river
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答案和解析
to have devoted
It...that ...were playing
that they will