. Many people think that it is ____________making such an experiment.

The math problem is too difficult ,I can’t__________ .

re anything special you’d like for the dinner, Teddy—- Nothing ______, as usual, Mummy

____ have you done the volunteering work in your community–Since I moved to our neighborhood.

Supporters of underground development say that building down ____ building up is a good way to use the earth’s space[ ]