We didn’t see Tom run in the raceThat’s_____ he hasn’t recovered from his knee injury.[ ]

known to us all, success usually results from diligence while laziness and copying others _____ can lead to losses and failure.

题文 The girl seemed too busy __________ her test _________ her mother enter the room.

The boy is Bob Green. His _________ is Bob.

7. It is a worldwide custom that the energetic young are _______ for their youth, vitality and creativity.