2. Modern technology, the world market, and man's explosive increase in numbers
have increasingly threatened to endanger many species of animals and sending them
to the edge of extinction.
(A) increase
(B)have increasingly
(C)to endanger
(D) sending
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統計: A(2), B(1), C(0), D(10), E(0) #2717521
統計: A(2), B(1), C(0), D(10), E(0) #2717521