You can use English or Chinese ________ you travel in Singapore. 

 The old man felt quite lonely _____ such a cold night.

—          is it from your home to the centre of the town?— Only 10 minutes on foot.

．—Which of these places will you visit, Yandu Park, Sheyang Nature Reserve or Dazong Lake?—________. Because I have been there many times.

We often talk in groups and share our ideas with _____.