I think this is ___ useful book, so I will keep it for ever.

Mummy, can I ride your new motor bike to school?—Sorry, dear! You are too _________ to do that.

_____ will you stay there? —A week. [ ]

Do you know Jackie Chan?— Yes, he is ________ great actor. I really like his movies.

There ________ a speech tomorrow. Please come on time.