nce worked in a remote mountain village school,which is ______ only on foot.

12．On Oct. 23 , 2008 there was the 6oth sports meet,_____our students took an active part in.

______ good habits ______ very important.

We slept with the light________ all night long last night.

Theexplorer got a disease in blood for the _______ of fresh vegetables and fruit.