How long ______ we take part in the college entrance examination?
It was early morning in London _____ Prime Minister Cameron arrived to give his speech.
Many people are taking part in various outdoor activities ______themselves.
At the end of the race his legs ____ and he fell down on the ground.
I can’t remember when ______ turning point occurred exactly, but it might be ______summer morning when I was in New York.
I ________ the main point of the speech and wrote a summary of it.