.He could see the tall chimneys of the factory _________.
_______ with care, one paper-bag will last for six weeks.
---Do you mind my opening the window? ----______I feel a bit cold.
--- Are you _____with doing a lot of homework everyday? --- Sometimes I am. But as a student , we have to do so at present.
--- Have you got the results of the final exam? --- Not yet. It will be a few days _________ we know the full results,
Some of the members demanded to know why they had been keptthe true facts until they reached the present critical stage.