How long do you suppose it is ___________ he arrived there?
A．when B．before C．after D．since
---Will you join us in the game?
---Thank you,_________ .
A．but why not B．but I’d rather not
C．and I won’t D．and I’ll join
So many years have passed and the terrifying accident is still ______in her mind.
A．new B．different C．fresh D．violent
When Chinese people talk about American cities, the first_____ comes into their minds is San Francisco.
A．city B．one C．that D．of them
Nearly all educators believe that a challenging situation can often _______ the best qualities of a person.
A．bring up B．bring about C．bring forward D．bring out
While watching television，____．
A．the doorbell rang B．the doorbell rings
C．we heard the doorbell ring D．we heard the doorbell rings
