Mr Green drove slowly on the way home until he reached the high way, ______the speed limit was 60 miles per hour.
Remember me to your parents when you _____ them.
_____ time, the teacher had us do half of the exercises in class and complete the other half for our homework.
When _____ about one of the biggest concerns today, many citizens mentioned the sharp rise in housing price.
The purpose of the article is to draw public attention _________ the problem.
The movie Gravity won seven awards at the Oscar night, _____ was beyond the director’s wildest dream.