It was a time_______ the killer whales helped the whalers catch the baleen whales.

All the students          handwriting is very beautiful are going to the contest.

It was in the supermarket         I met Jenny yesterday.

________ is know to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.

Bungee jumping is a thrilling and adventurous sport, very popular among the young adults, ________ courage matters more than strength.

________ is know to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.

Green economy offers a new model ______ people could both protect the climate and develop the economy, according to what Li said at the International Cooperative Conference on Green Economy and Climate Change.

Louis Armstrong was born in New Orleans, Louisiana, a city _________ name will create a picture of beautiful trees, flowers and green grass in mind.

The beautiful mountain village     we spent our holiday  last  year  is  located  in      is now part of Guangxi.   

The owner of the cinema needed to make a lot of improvements and employ more people to keep it running, _______meant spending tens of thousands of pounds．