It’s wise of you to________ smoking before you feel unwell.
Lily would rather I _______ her at the airport yesterday, but I was then busy with a meeting.
I insisted _______ to see a doctor, but he insisted nothing _______ wrong with him.
The UN is the international organization which _______ all countries to settle any conflicts between two countries.
As a student we should _______ current affairs?
—I’m told that our plane will at least delay 3 hours. —What do you think has happened? —It is said to have been _______ by a terrible storm.