Intonation, or ______ , is the sound that you hear when a conversation is too far away to be clearly audible but close enough for you to tell the ______ of the speakers. The American intonation dictates liaisons and ______ , and it indicates ______ and ______ . Without intonation, your speech would be flat, ______ , and very confusing for your listener.

A. Cleaning service in great demand all over the world.
B. Two ladies giving up well-paid jobs to do cleaning.
C. A new company to clean up the mess after parties.
D. Cleaners gainfully employed at nights and weekends.

A. Hire an Australian lawyer.
B. Visit the U.S. and Canada.
C. Settle a legal dispute.
D. Expand their business.

A. To end the one-child policy.To encourage late marriage.
B. To encourage late marriage.
C. To increase working efficiency.
D. To give people more time to travel.

A. He set a record by swimming to and from an island.
B. He celebrated his ninth birthday on a small island.
C. He visited a prison located on a faraway island.
D. He swam around an island near San Francisco.