—Bob has gone to California.—Oh, can you tell me when he ?
Having retired(退休), he ______ the club for old men and plays chess every day there.
The mother asked her son_________.
________ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.
It was the second time we _____ in holding such important parties.
---You are always full of ______. Can you tell me the secret? ---Taking plenty of exercise every day.