He doesn’t know the city very well, because this is the first time he _______ here.
A. came B. has been C. come D. am coming
This machine _______. It hasn’t worked for years.
A. didn’t work B. wasn’t working C. doesn’t work D. isn’t working
I would rather _____ a little earlier to avoid ________in the rush hour traffic.
A. to start; catching B. start; being caught
C. start; to be caught D. starting; being caught
He speaks English well indeed, but of course not ______ a native speaker.
A. as fluent as B. more fluent than
C. so fluently as D. much fluently than
It was ____ that he had to ask for help．
A．so big work B．so big a work C．such a big work D．such a big job[
Pierre Curie stopped his research and _______ Marie in the search of an unknown material.
A. attended B. joined C. took part in D. joined in
