We are still at the airport. If it weren’t for the delayed flight, we _____ the concert right now.
It wasn’t until he was diagnosed with cancer ______ he realized the significance of health.
The sign over there says that no person ______ enter the area without official permission.
Ten years ago the population of our village was ______ that of theirs.
The English spoken in the United States in only slightly different from ______ spoken in England.
– Do you think Jim can manage it on his own?– ______. He is expert at dealing with such matters.