The theory of _______ was developed by Darwin and is now understood by nearly everybody in the world.
A. determination
B. distribution
C. discipline
D. evolution
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Professor Smith _______the most important part in his paper.
A. omitted
B. disputed
C. designed
D. chased
Our _______ talks promise a good future for our cooperation.
A. interior
B. insurance
C. initial
D. invisible
This textbook is for the _______ students, not for the beginners.
A. Observation
B. transportation
C. advanced
D. transfer
Free medical service is _______ to nearly all the college students in China.
A. Favorite
B. available
C. convenient
D. average