The train leaves at and arrives at .
A. 10 a.m.;9 p.m.
B. a.m.10;p.m.9
C. ten a.m.o’clock;nine p.m.o’clock
D. 10 a.m.in the morning;9 p.m.in the evening
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(答案→)A. 10 a.m.;9 p.m.
B. a.m.10;p.m.9
C. ten a.m.o’clock;nine p.m.o’clock
D. 10 a.m.in the morning;9 p.m.in the evening
解析:a.m.(或A.M.),p.m.(或P.M.)分别表示“上午(或午前)”、“下午(或午后)”。