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They were sad ---(say) goodbye.

问题描述:美女视频黄是免费网址

They were sad ___(say) goodbye.
到底是saying还是to say 或是其他
1个回答 分类:英语 2014-11-10

问题解答:

我来补答
e sad/sorry/happy/glad to do sth.
这类词还有很多,都是加动词不定式to do
 
 
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