Food borne diseases only appear in developing countries.
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There we receivedseceral weeks of high degree training.
A. 对
B. 错
The now job he would be thaking _raising racing horses.
A. was
B. is
C. are
D. were
The two countries keep friendly with each other.
A. 对
B. 错
It's you who helped me out when I was in trouble.
A. 对
B. 错
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