It would be impossible for him to leave hospital tomorrow if he 　　　 first aid when the accident happened.

little idea that it wasgetting so late, _____

Nick, it’s good for you to read some books __________China before you start your trip there

She’s never spoken to a foreigner, — . She has been to a summer camp in the UK.

You shouldapologize_____ your teacher ______ being late again.[ ]