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被动改主动HumansmaybeclonedbyscientistssomedayMoresatellitesmustbesentintospaceScientificresearchshouldbedonecarefullyOtherplanetsmaybevisitedinthefutureAlienshavenotbeenseenbypeople如果是主动句就改为被

题目详情
被动改主动
Humans may be cloned by scientists some day
More satellites must be sent into space
Scientific research should be done carefully
Other planets may be visited in the future
Aliens have not been seen by people
如果是主动句 就改为被动句
如果是被动句就改为主动句
▼优质解答
答案和解析
Scientists may clone humans some day
Must sent more satellites into space
Should do scientific research carefully
May visit other plants in the future
People have not seen Aliens