一填空
1.He is welcome to come ______ with us if he behaves himself.
2.I warned him against repeating my e_____.
3.Every day we see many ads ______TV or on the Internet.
4.Jane is busy and has little time to work ______ in her free time.
5.I’d like to volunteer and don't forget to add my name______ the list.
6.You should be positive ______ your work.
7.I took his coat by mistake because my coat was similar______ his in color.
8.As we all know, the Internet plays an important role______ our daily life.
