The past two years ________ a sharp rise in oil price,which adds to the burden of auto transportation industry.
One ought _______ for what one hasn’t done.
We didn’t plan our art exhibition like that but it ________ very well.
The WTO cannot live up to its name _____ it does not include a country that is home to one fifth of mankind .
-------How are you today ?--------Oh, I ______ as ill as I do now for a very long time .
She ____ on her way to school. I just phoned her home and got no answer.