The fuel must have been finished, ____ the engine stopped.
We have been seeing good cooperation between tourism industries across the Taiwan Straits ______ shape since July, 2008.
A lot of attention ______ to greenhouse gas emission. Look at those environmental posters.
It was while he was visiting his uncle in a mountain village ______ he got the inspiration for his new novel.
What moved us most was that some ordinary people volunteered to help those ______ in the storm in Beijing.
Mr. Mike, in ______ supermarket we bought an ipad last week, will give us a report on management this evening.