用适当形式填空可以翻译的就翻译一下吧
It's very nice of you ______ so (say)
You shoudn't study when you are ________.(tiring)
参考答案:It's very nice of you (to say) so
解释： It's+形容词+of sb.+to do sth.这里形容词用来描述人的品质。
翻译：你这样说太好了。
You shouldn't study when you are (tired).
解释：过去分词做表语,相当于形容词的用法。
翻译：你不应该在疲惫的时候学习。