30. ________ wild animals tend to stay away from people, you still need to be careful while walking through
the forest.
(A) Since
(B) For
(C) Though
(D) Because
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統計: A(97), B(55), C(1136), D(148), E(0) #675657
統計: A(97), B(55), C(1136), D(148), E(0) #675657