I’d appreciate ____ if you would like to teach me how to use the computer.
After a few courses on painting, Helen said she would ________ oil painting in her spare time.
When ________ what made him a popular person, he said it was his personality.
We have every reason to believe that____2010 World Expo in Shanghai was_____ success.
It is getting late. I am afraid I must be going now! OK,________________
The children are full of ______. They have been playing all day long without resting.