After two years’ research, we now have a ____ better understanding of the disease.
Mr. Black is very happy because the clothes made in his factory have never been .
Excuse me. II was blocking your way.
–Can I help you? Are you looking for anything in particular today? ----_____, we’re just looking.
I’m afraid Mr.Harding ____ see you now . he’s busy.
I refuse to accept the blame for something _____ was someone else’s fault.