问题描述：
1.When Li Ming hurried home,he found that his mother____already___to hospital
A has,been sent B had,sent C has,sent D had,been sent
为什么选D不选B
2.She said she ____(be)bor in 1992.
横线上填was还是had been,为什么?
A has,been sent B had,sent C has,sent D had,been sent
为什么选D不选B
2.She said she ____(be)bor in 1992.
横线上填was还是had been,为什么?
问题解答：
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