They are very suprised at the news.为什么用at?

They are very comfortable. they are very sad.they are c___ they are very _(love) They are very _____(friend). They are very _____(excite) they are very very lazy语法错误吗? Are the pants very expensive No they are very c() They are playing games.They are very ____(relax) They are very clever.___(they) answers are always right They are very friendly翻译中文 they are very kind and friendly是什么意思 They are very tired.是主系表结构吗 They are doing some very important ( ) (work) they are very useful and h The sweaters are_sale.They are very cheap. 咋么改感叹句?They are very delicious. 把They are very happy改为感叹句 And they are very c____ , too.