70. This is the place _______ ancient people built three large monuments as tombs for their rulers.
(A) when
(B) where
(C) why
(D) who
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統計: A(0), B(99), C(3), D(1), E(0) #3243241
統計: A(0), B(99), C(3), D(1), E(0) #3243241