It is not when to start the job but who to start ______is of importance.

e the scientists are alwaystraveling towards the truth _________ arriving at them, they need to help oneanother to find the way.

Now where was I — You ______ me about your travels in Canada.

I___ my pen.I have to write with a pencil

UK Prime Minister Cameron has become the first world leader ______ to fly onboard Air Force One with US Prsident Obama.