I ___________along the pavement yesterday when some strangers came up and asked me the way to the police station.
#100725
A
is wandering
B
was wandering
C
has wandered
D
had wandered
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—I’ll come to attend your speech at 9:00 tomorrow morning. —I’m sorry. By then my speech _________ and I __________ TV at home. 
#102829
A
will end; will watch
B
is to end; will watch
C
will be ended; am going to watch
D
will have ended; will be watching
Great changes_____ in the small city in the last 20 years.
#102827
A
have taken place
B
took place
C
had taken place
D
are happening
By the time he was twelve, Edison _______ to make a living by himself.
#101794
A
would begin
B
has begun
C
had begun
D
began