Sure, here are the completed sentences:It often rains in Britain.Susan writes to her parents every Sunday night.They have never been abroad.Where is Kevin? He is playing tennis with Sue.She normally lives in Brighton, but she is staying with her friends at the moment.Hurry up, the teacher is waiting to begin.As a secretary, I write hundreds of letters every week.I have just done my homework.We are making some posters this year.Look! She is smoking in the non-smoking area.We are having lunch now.My friend already finished his project.Dorothy loves to read a good novel in her holidays.The students have just entered the classroom.He usually goes out on Saturday night.Look! Sue is bringing her picture. I think it's perfect!What are you baking, Mom?Our children always enjoy playing with their friends.I am not wearing a hat today because it is very hot.Robert catches the same bus every morning.