下列单句中均有一处错误，指出并改正

George is sending texts and pictures to his friend phone. ________

下列单句中均有一处错误，指出并改正

No matter where you are, you should keep touch with friends and family. ________

下列单句中均有一处错误，指出并改正

In that school, cigarettes are taken away with the students. ________

下列单句中均有一处错误，指出并改正

Some parents worry that their children will take too much time and money on phone calls. ________

下列单句中均有一处错误，指出并改正

That he told me is true. ________

下列单句中均有一处错误，指出并改正

A number of my books is 500. ________

下列单句中均有一处错误，指出并改正

Although it’s raining, but he wants to go out. ________

下列单句中均有一处错误，指出并改正

I need a cell phone but I don’t know what to buy. ________

下列单句中均有一处错误，指出并改正

Cell phones are too popular that most teenagers in cities are interested in them. ________

下列单句中均有一处错误，指出并改正

If a phone rang in the classroom, teachers and students disturbed and could not work. ________