We hurried to the station, ________ the train was gone.
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.
I really don't want to go; ________, the weather is so cold outside.
Everyone needs friendship. No one can sail the ocean of life singlehanded. We need help ________, and also give help to others.