-Have you known him for a long time?  -Yes, since he ________ here after graduation. 
#102339
A
comes
B
came
C
has come
D
had come
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By the time the fire-engine arrived, the fire        by the inhabitants.   
#102035
A
put out
B
had been put out
C
was put out
D
had put out
Mr. Lin ______ when I go to see him on Sundays. 
#101757
A
is always working
B
was always working
C
always worked
D
has always worked