_______ difficult and challenging the task may be, we must finish it on time, because there is a possibility _______our work will go down in history.
—I’m still working on my project. —Oh, you’ll miss the deadline. Time is ______.
-----Are you happy with your new computer? ----- No, it is _______ me a lot of trouble.
The performance ______ nearly three hours, but few people left the theatre early.
If we can ______our present difficulties, then everything should be all right.
The news of the mayor’s comong to our school for a visit was ______on the radio yesterday.