He gave himself a new name to hide his ____ when he went to carry out the secret task.
The telegram has faded out in our life now, and gone with____ are telegraph operators.
When I was in the countryside, I ____ by the riverside every day.
____ that they are inexperienced, they have done a good job.
The opening day of Expo 2010 Shanghai China we have been forward looking to_____ to arrive.
---You speak very good English. ---____.