A new _______to teaching English is being used here, and it has proven to be very helpful to the students.
He doesn’t know the city very well, because this is the first time he _______ here.
This machine _______. It hasn’t worked for years.
I would rather _____ a little earlier to avoid ________in the rush hour traffic.
He speaks English well indeed, but of course not ______ a native speaker.
It was ____ that he had to ask for help.