高一英语题 急急急 在线等！！！！！

1 we are in the region where Printing was first invented !

2 it is an invention he is very proud of.

3 he is the man who i am afraid of ,and he has invented something very dangerous .

4 The machine You are looking at is very old.

5 Is that the inventor who you were talking to him .

答完，再看过，应该没错了

1 we're in the region in which Printing was first invented
2 Is is an invention of which He is very proud ?
3 He is a man of whom I am afraid because he has invented something very dangerous
4 The machine at which you are looking is very old .
5 Is that the inventor to whom you are talking?

we're in the region which Printing was first invented in.
Is it the invention which He is very proud of .
He is a man who I am afraid of because he has invented something very dangerous .
The machine which You are looking at is very old .
Is that the inventor which you were talking to .
我高二 英语一般 也不知道对不 你看看吧 到最后都没人答的话你参考参考

we are in the region in which printing was first invented.
it is a invention of which he is proud of.
he is a man of whom i am afraid because he has invented something dangerous.
the machine at which you are looking is very old
is that the inventor to whom you were talking