As well as teaching soccer's basic skills and rules, the introduced textbooks will ______team spirit and sense of responsibility.
--Hi, Tracy, you look tired. --I am tired. I__________ the living-room all day.
--Thank you very much.--Not at all , I was____________ glad to help.
In Switzerland, six miles west of Geneva,___________ a collection of laboratory buildings.
Collecting stamps as a hobby___________ increasingly popular during the past fifty years.
The train was__________ to arrive at 11:30,but was an hour late.