—May I help you? You seem to be having some problems. — , thanks. I think I can manage.
Ted is such a helpful colleague that he is willing to do, ________, any favour we might ask him.
The remarkable shift ________ young people's job preference in recent years has analysts and educators greatly concerned.
We'll learn much from this failure, so our suffering and efforts are not ________.
—How do you think of my composition?—Almost perfect ________ one spelling mistake.
—Mike, are you familiar ________ this new type of car? Just give me some advice.—Oh, I'm sorry. It is really a new one.