题目内容
15. He ________ his doctor’s care ________ he is quite well again.
| A.owes it to; what | B.owes to; that | C.owes them to; that | D.owes it to; that |
D
略
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| A.owes it to; what | B.owes to; that | C.owes them to; that | D.owes it to; that |