—Doctor Brown, what's your next project going to be about? —Well, that remains .
---Whom would you rather ______ to Hainan for the holiday, Bob or Jack? ---- Maybe Bob.
Two thousand dollars a month is not a fortune but will help cover my living _______.
Only when _______ home_____ that he had left his bag in the taxi he had taken.
The camera was _____ by his son and he had to have it repaired.
_____ that he isn’t adequate to the present job, he devotes all his spare time to studying professional knowledge.