So far we have done a lot to build a low—carbon economy, but it is ____ideal. We have to work still harder.
Either you or theheadmaster __________ prize to thesegifted students at the meeting.
I was just talking to Margaret when Jackson __________
Health problems are closely connected with bad eating habits and a __________ of exercise.
Although the electricity was cut off, the hospital continued to __________ normally.
—Mum, what are you doing? —Your uncle has come. I'llput a(n)__________ plate on thedining table.