18. Study halls are usually quieter because people don’t talk _____ in cafeterias.
(A) as much as they
(B) as much as they do
(C)as they do much
(D) much they as
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統計: A(362), B(1198), C(127), D(82), E(0) #2899198
統計: A(362), B(1198), C(127), D(82), E(0) #2899198