1 there is some greenvegetable left between your teeth.you need a toothoick to get it out.
2 teenagers are young people who are between 13 and 19 years old.
3 according to our school calender the last exam for this term will be on January 30.
4 the manager won't see you unless you have made an appointment with him.
5 the teacher told Lucy's parents about her strange behaviour at school.
6 remeber,dial 110 in case of an emergency.
7 Jerry is a little nervous today because he is going for a jop interview.
8 the planet we live on is called Earth