He________sleep，although he tried to，when he got on such a hunt for an idea until he had caught it.

_______the fierce competition in finding a good job in big cities, many fresh graduates are still trying their fortune in Beijing.

You should have come to the party last Saturday eveningIt was really wonderful— But a friend ____ me an unexpected visit[ ]

I want to watch the football match. Would you please______ the TV?A．turn on

If you try to learn too many things at a time at the beginning, you may _______