The Yangtze River, China’s longest, has been affected by a severe drought, _____ the lowest level of rainfall this year since 1961.
The experts suggested the problem worth paying attention _____ at the meeting.
I wrote him a letter to show my _____ of his thoughtfulness.
_____ got on the train when it began to move.
---When did you move to Beijing? ---Last year. But I _____ in a school in Japan for 8 years.
How can you expect to learn anything _____ you never listen?