You look very tired—Well, __________my lessons all the afternoon

The hours ________ the children spend in their one way relationship with television people undoubtedly affect their relationships with real-life people．

Could I use your computer for a few moments，please—________.I’m not using it myself.

Many people agree that never in history _________a more splendid opening ceremony than that of the Beijing Olympics

____ his happy look on the face, he must havepassed the exam this time.