Johnson had made up his mind to give it up，but on________ second thought he determined to try________ third time.
A．/；a B．/；/ C．a；a D．the；a
He left a good impression on me________ I saw him.
A．for the first time B．the first time
C．first time D．it’s the first time
—Where did you find the wallet?
—It was at the stadium________ I played football.
A．that B．where C．which D．there
The moment she came back from work，she________ to clean the kitchen thoroughly.
A．set out B．set about C．set off D．set up
I wanted to have a word with her，but she________ me and went away.
A．saw B．calmed C．told D．ignored
The police chief advised his men to keep________ and not lose their tempers.
A．calm B．quiet C．still D．silent
