BythetimeIlockedthedoor,IrealizedI________mykeysathome.

What about the party last night— It was______ great success. I think it’s _______ great pity that you didn’t attend it.

How do you feel about Internet—-It’s not helpful to me. There is so much information on the internet but I can________ find what I really need.

common with many boys ,he likes playing computer games

we have done a lot to build alow—carbon economy, but it is ____ideal We have to work still harder