1 . 阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。
Laughter can help us to feel more 1 (relax) and comfortable when we are feeling anxious or worried. Even if you 2 (study) for a long time and feeling sleepy and bored, laughing can make you feel energized as if you had just had a nap! There are so many 3 (benefit) of laughter that I hope you all try and find a way to add more fun and laughter to your daily life.
