好的话给积分哦~1.He is a person.He flies an aeroplane.2.It is a liquid.It is used for joining things together.3.He is a person.He holds an important position in the army.4.That is a subject.I know very little about it.5.A Brief History of time was written by Stephen Hawking.The book is a best-seller.

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好的话给积分哦~
1.He is a person.He flies an aeroplane.
2.It is a liquid.It is used for joining things together.
3.He is a person.He holds an important position in the army.
4.That is a subject.I know very little about it.
5.A Brief History of time was written by Stephen Hawking.The book is a best-seller.

He is a person who flies an aeroplane.
It is a liquid that is used for joining things together.
He is a person who holds an important position in the army.
That is a subject which I know very little about.
A Brief History Of Time is a best-seller that was written by Stephen Hawking.

He is a person who files an aeroplane.It is a liquid which is used for joining things togetherHe is a person who holds an important position in the armyThat is a subject which I konw very little about...