After driving for about an hour, he found himself lost in the middle of nowhere, so he stopped his car to ________ his map.
He ________ the exam, but he was too careless.
These chairs may look good, but they’re very un-comfortable _____.
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.