I insisted _______ to see a doctor, but he insisted nothing _______ wrong with him.
You can’t have lost the keys.___ all your pockets again.
-We need an immediate reply. –I see . I’ll send the paper to you_____.
—Have you heard of the nuclear test in that country? --Yes, _____news came as ___shock to me.
His work was_____by his boss.
We shouldn’t spend our money testing so many people, most of ___are healthy.