_____ unemployment and crime are high, it can be assumed that the latter is due to the former.
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.