50.How are a regular bus and a “Number Two Bus” different?
(A) “Number Two Bus” travels farther.
(B) A regular bus has a bigger tank.
(C) A regular bus makes more pollution.
(D) A “Number Two Bus” runs faster.
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統計: A(0), B(0), C(2), D(1), E(0) #3408714
統計: A(0), B(0), C(2), D(1), E(0) #3408714