Which of the following is the author"s suggestion

All of them are （） at Lana"s achievement.

Man was, is and always will be trying to improve his living conditions.

It is when you nearly lose someone when you become fully conscious of how much you value them.

Having a conversation with people with dementia will be （）.

It is quite typical of him to be late.

The doctor will get more practice out of me than out of ten ordinary patients.

After reading the novel he was too exciting to go to sleep that night.

我們認(rèn)為節(jié)約用水非常重要。