将下面的句子改为被动句The students must hand in their papers immediatelywho will look after the child?do they take good care of the sick?we should make good use of every minutethey sent for the doctor right after the accidentthey had never

将下面的句子改为被动句The students must hand in their papers immediatelywho will look after the child?do they take good care of the sick?we should make good use of every minutethey sent for the doctor right after the accidentthey had never
将下面的句子改为被动句
The students must hand in their papers immediately
who will look after the child?
do they take good care of the sick?
we should make good use of every minute
they sent for the doctor right after the accident
they had never dreamed of such success before they made the experiment

将下面的句子改为被动句The students must hand in their papers immediatelywho will look after the child?do they take good care of the sick?we should make good use of every minutethey sent for the doctor right after the accidentthey had never
Their papers must be handed in by the students immediately
The child will looked after by whom?
Does the sick taked care of by them?
Every minute should good used of by us
The doctor been sent for right after the accident by them
Such success never been dreamed by them before the experiment been maded.

1)Their papers must be handed in by the students immediately.
2)BY whom will the child be looked afte?
3)Is the sick taken good care of by them?
4)Every minute should be maken good use of ...

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1)Their papers must be handed in by the students immediately.
2)BY whom will the child be looked afte?
3)Is the sick taken good care of by them?
4)Every minute should be maken good use of by us.
5)The doctor was sent for right after the accident by them.
6)Such success had never been dreamed of before they made the experiment.
希望能帮到你，保证正确~

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1、Their papers must be handed in by the students immediately.
2、By whom will the child be looked after ?
3、Are the sick taken good care of by them?
4、Every minute should be made good use...

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1、Their papers must be handed in by the students immediately.
2、By whom will the child be looked after ?
3、Are the sick taken good care of by them?
4、Every minute should be made good use of by us.
5、The doctor was sent for by them right after the accident.
6、Such success had never been dreamed of by them before they made the experiment。
答题完毕，绝对正确的哦~嘿嘿

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The students' papers must be handed in by them immediately.
by whom will the child be looked after?
are the sick taken good care of by them?
every minute should be made good use of by us.<...

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The students' papers must be handed in by them immediately.
by whom will the child be looked after?
are the sick taken good care of by them?
every minute should be made good use of by us.
the doctor was sent for by them right after the accident.
such success had never been dreamed of by them before they made the experiment.
二楼的句子不够完整。变被动句时不可删减成分。

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The students must hand in their papers immediately
who will look after the child?
do they take good care of the sick?
we should make good use of every minute
they sent for the doctor right after the accident
they had never dreamed of such success before they made the experiment
娃哈哈

papers immediately must be handed in by the students
the child will looked after by who
is the sick taken care of by they
every minute should be made by us
they sent for the doctor right after the accident they had never dreamed of such success before they made the experiment这两句不会