— Can I help you with it?— I appreciate your _______, but I can manage it myself.

—What’s the central idea of the passage，Bob?—Sorry，I can’t make________of it.It’s beyond my ability.

There is a 20 minute parking _____ here, so we must get back to the car very quickly.

Success in money is not always a good __________ of success in life.

It is the        in China that people often shake hands when they meet someone for the first time.