isn't, hasn't been, haven't been, is, are, was
The present government, which ____ in power long, ____ trying to control inflation. It isn't having much success.
hasn' 't been;is
isn't, hasn't been, haven't been, is, are, was
The present government, which ____ in power long, ____ trying to control inflation. It isn't having much success.
hasn' 't been;is