27. We don’t have to____ to find examples of terrorists using the internet to spread fear.
(A)look far
(B) call upon
(C) tip off
(D) pull over
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統計: A(3), B(5), C(4), D(4), E(0) #3923761
統計: A(3), B(5), C(4), D(4), E(0) #3923761