I saw my father________(抽烟) on the sofa when I got home．
玛丽很粗心，经常错误地拿走别人的家庭作业。
Mary is so careless that she often takes others’ homework ________ .
我们齐心协力就能带来变化，创造一个更加美好的未来。
Together, our actions can make a difference and lead to ________.
上海人民的生活已经恢复正常，这是多么令人激动的消息啊！
Life in Shanghai has returned to normal. ________ the news is!
对学生们来说，知道学习的重要性是必要的。
It’s necessary for students ________ the importance of studying.
For Chinese children, ________ a second language in school.
在校期间, 中国孩子多学一门语言是非常重要的。(be)