21. Anderson hasn’t made up his mind ________.
(A) whether to go to college or get a job
(B) should he stay or leave
(C) what kind of job is he looking for
(D) is he interested in chemistry
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統計: A(170), B(42), C(37), D(9), E(0) #717937
統計: A(170), B(42), C(37), D(9), E(0) #717937