. --- This kind of food is said to contain poisonous chemicals. --- So why not _____ it?
The fact that she never apologized ______ a lot about what kind of person she is.
—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.