Помогите до завтра (26.04.2017) до 12:00!!! Безотлагательно пожалуйста! Два задания! Срочно!

Ex 16 
Harry went to Egypt but how he has come back.
I lived in the center but now I have moved.
I had long hair but now I have cut it.
I met Fran 10 years ago and now we have become great friends.
He travelled to the North 10 years ago and has written a book about it.
he bought a house 3 years ago but has sold it.

Ex 17
newton was...
oh, you came just in time...
'who invented...
'Paul bought...
I've broken...
Has travelled...