He had his camera ready________he saw something that he would make a good picture.A even if B if only C in case D so that
Do you prefer_____when your boss takes an interest in your personal life?
When the clock ________ 11, I was about to leave for the supermarket.
Famous physicists from all over the world came to the US to ______the 100th anniversary of Albert Einstein’s birth.
So______that many parents are too worried to let their children travel alone at the beginning of the new term.
—Tom, why didn’t you go to work today? —Oh, the manager said he no longer wanted to see me again; _____, I was fired.