You should have prepared your speech for the meeting, MrSmith— Yes, I knowBut how could I _____ the meeting date fixed so soon?

It was __________ computer games that cost the young man a lot of precious time that he ought __________ on his lessons．

How long has Robert __________ — Since 2004.

My parents always tell me ______ more vegetables and fruit.

She was so lost in her own thought that she was not _____ the coming danger .