1) We can speak to her, but we are not sure it will help.

2) I haven't got any brother or sister, but I have got a wonderful friend.

3) The weather was terrible yesterday, so they haven't cleaned the yard yet.

4) He is a good pupil at school and he is a good sportsman, too.

5) The footballers are happy because they have won the match today.

6) Nobody knew about John's plan so everybody was surprised to hear the news.

7) Mark has finished his work and can have a rest now.