PLEASE HELP ME PHRASE SENTENCES PROPERLY

Could you please help me rewrite these sentence of needed or choose one that sound most natural?

1 The printer prints out the pages before the computer is done with the process/prints out the pages faster than the computer is done with the process.

2 It'll have finished printing by the time../it'll be done printing by the time...

3 The book gets better as you read it/as you go.

4 I was stressed to talk to them. They intimidated me.
I was stressed at the thought/idea of meeting them.

5 I recognized the girl that stood/was stading in front of me.

6 You might have a hard time retain the order in which to do the task. but you'll retain the procedure more and more as you go and the days go by.
You might have a hard time retain the order in which to do the task. but you'll retain the procedure more and more as you go and the days go by.

7 File the pages as the come out/you go, don't wait for them to all come out before filing them.

Thank you