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Please help me

1)The detective interrogated the suspect closely for three hours ( Begin :The suspect )

The suspect was interrogated closely for three hours by the detective/the suspect was interogated by the detective closely for three hours.

2)Inspite of all her efforts,Susan did not succeed .( Begin Emotion: big smileespite )

Despite all her efforts ,Susan did not succeed

3)As soon as the bell rang ,the children rushed out of class .( Begin : No sooner )

No sooner the bell rang, than the children rushed out of class .
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1)The detective interrogated the suspect closely for three hours ( Begin :The suspect )

The suspect was interrogated closely for three hours by the detective. < better

/

The suspect was interogated by the detective closely for three hours.

Also,

The suspect was interogated closely by the detective for three hours.

2)Inspite of all her efforts,Susan did not succeed .( Begin Emotion: big smileespite )

Your comma placements are wrong. Place a space after the comma, not before.

Despite all her efforts ,Susan did not succeed

Despite all her efforts, Susan did not succeed.

3)As soon as the bell rang ,the children rushed out of class .( Begin : No sooner )

No sooner the bell rang, than the children rushed out of class . << no space before a period.

No sooner had the bell rung than the children rushed out of class.

CJ
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Thanks CJ