The news has spread all over the country _____ the spaceship succeeded in returning to the earth.
The next thing he saw was smoke ____from behind the house.
The living room is clean and tidy , with a dining table already ____ for a meal to be cooked .
I was so familiar with him that I recognized his voice _____ I picked up the phone .
It sounds like something is wrong with the car’s engine.______, we’d better take it to the garage immediately.
The latest wave of smog(雾霾) ,_____ first swept into Shanghai and Jiangsu province on Dec. 1st ,_______ at least four car accidents due to low visibility.