摘要：The old man is to Ren Changxia for saving his son. A.grateful B.pleased C.enjoyable D.excited
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从
A、B、C、D四个选项中选出能代替画线部分的那一项。The old man is thankful to Ren Changxia for saving his son.
[
]|
A ．grateful |
B ．pleased |
C ．enjoyable |
D ．excited |