New words! I would be glad if someone could correct my sentences :-)

I am very grateful for giving me this new project. I won't disappoint you!
It began to rain earlier than we anticipated.
We are expecting to receive the order on Thursday.
The agreement says that if we delivered the order two weeks earlier, we will get the next order.
I have a sore throat, that's why I can't call you.
I already sent my application to Mercedes. Hopefully, I will get the job.
Because of his disease that is terminal, he is having a hard time.
My colleagues accused me of drinking the last cup of coffee.
Look at this long queue! There might be some free stuff that you can get in there.
I hope that we can get the results of the survey as soon as possible. I already sent my answers last month.
He booked an appointment for next week.