问题描述：
7.27 Having lost his parents ,the boy has on one__.A.depend on B.to depend on C.depended
Having lost his parents ,the boy has on one__.
A.depend on B.to depend on C.depended
D.to depend
请说明理由,
Having lost his parents ,the boy has no one__.
A.depend on B.to depend on C.depended
D.to depend
请说明理由,
抱歉，之前打错了
Having lost his parents ,the boy has on one__.
A.depend on B.to depend on C.depended
D.to depend
请说明理由,
Having lost his parents ,the boy has no one__.
A.depend on B.to depend on C.depended
D.to depend
请说明理由,
抱歉，之前打错了
问题解答：
我来补答展开全文阅读