40. Once a week, patients who have tried and failing to treat their tuberculosis line up, frustrated and frightened,
outside his small office.
(A) tried
(B)failing
(C) treat
(D) frustrated
(E) frightened
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統計: A(1), B(27), C(1), D(0), E(0) #939691
統計: A(1), B(27), C(1), D(0), E(0) #939691