ot2b2
春芽
共回答了19个问题采纳率:89.5% 举报
The doctor did what he could ____ the dying man
.A.save B.to save C.saved D.saving
为什么选B,请详解,
因为
The doctor did what he could to save the dying man =The doctor did what he could do to save the dying man
因为句中有do,为了避免重复,所以,省略了do.
1年前
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