Why were you upset? The headteacher wasn’t blaming anyone. He said things like that could be avoided.
---I’m sorry that I didn’t work out this problem. ---It’s _____our ability. I didn’t work it out, too.
John received an invitation to dinner, and with his work ______, he gladly accepted it.
— Is it OK if I take this seat? —Sorry,___________.
With so many problems____ , the newly-elected president had a hard time.
_____ many times, but he still didn’t know what to do next.