While Mary ___ a letter, the children were playing outside.
--Why are you smoking so much these days?--Sorry. I just can't help .
--He promised to come to see you.--But he . I’ve been all alone.
You can be a good teacher unless you become more patient.
--What do you want for dinner tonight?-- We will have whatever you want.
If the company fails to make enough money, it will have to .