A.cheap
B.costly
C.priceless
D.valuable

A.standings
B.suspects
C.attendants
D.delegates

A.differences
B.similarities
C.harmonies
D.disagreements

A.differences
B.similarities
C.harmonies
D.disagreements

A.without money
B.full of sincerity
C.lack of responsibility
D.full of experience

A.I disagree with you
B.That's completely true
C.I couldn't agree with you more
D.I can't help thinking the same

A.letdown
B.bankrupt
C.overdraft
D.recession

A.The domination of business languages for some parts of the world.
B.The trend of young generation in choosing a second language.
C.The reasons for the decrease in the number of local languages speakers.
D.The comparison of national languages in the past and the modern world.

A.Mike advised me to return his book on time.
B.Mike blamed me for not returning his book on time.
C.Mike accused me for not returning his book on time.
D.Mike complained to me about returning his book on time.

A.The surgery must not be successful.
B.The surgery probably will be successful.
C.The surgery is unnecessary to be successful.
D.The surgery absolutely will be successful.