Simon is very regretful. If he had been more careful, he _____ such a big mistake.
I will give the book to _____ wants to read it.
-Thank you very much. -You are welcome. I was _____ glad to help.
If _____ the same treatment again, he’s sure to get well.
——What about _________ job? ——It’s too difficult _________ job for me.
--Can you finish the writing on time? --_________.