The rise in electricity costs has _______ our difficulties in carrying out the project.

Though his report was not quite to the point, it__________ very well as a whole.

—Will you be able to finish the report before Friday? —I can’t ________ anything, but I’ll try my best. 

The suitcase     twenty pounds and    two meters long one meter wide.

With so much noise of the traffic, I couldn’t ____ and do my research work.