They talked for about an hour of things and persons ______ they remembered in the school.
You have made a mistake --- you have _______ the letter “e”.
News reports say peace talks between the two countries have broken down ______ no agreement reached.
—Why didn’t you try your best to get on the bus? —I tried to , but _______ I could, it started moving.
They were walking along the shore _______ a huge wave appeared out of nowhere, sweeping them out to sea.
_______, and the problem will be straightened out.