问题描述：
it is ofen____my father comes home at night A after ten o'clock when B ten o'clock when
it is ofen____my father comes home at night
A after ten o'clock when B ten o'clock when
请问这道题选A还是选B
如选A引导词是不是该用that表强调
it is ofen____my father comes home at night
A after ten o'clock when B ten o'clock when
请问这道题选A还是选B
如选A引导词是不是该用that表强调
问题解答：
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