The mother who lost her son insisted that the careless driver      for the traffic accident ___      yesterday .
#103261
A
was to blame ; happening
B
be to blame ; happened
C
be blamed ; was happened
D
was to blame; had happened
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When I got there, the meeting _____ for ten minutes.
#102051
A
has been on
B
had begun
C
had been on
D
has begun
Tom       in the library every night over the last three months.
#102657
A
works
B
worked
C
have been working
D
had been working