问题描述:
1.Everyone should do _ duty.A.one's B.his C.everyone's D.their
2.My father began to learn English A.in the forty B.in his fourties C.in his forties D.in his forty 选哪个 为什么
2.My father began to learn English A.in the forty B.in his fourties C.in his forties D.in his forty 选哪个 为什么
问题解答:
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