42.a When does the garbage truck arrive?
(A) Almost half an hour late sometimes.
(B) On time, as per schedule.
(C) Always on the weekend.
(D) Monday to Friday, early in the morning.
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統計: A(83), B(16), C(6), D(20), E(0) #391613
統計: A(83), B(16), C(6), D(20), E(0) #391613