Many couples feel lonely at home when their children        to go to college.
#99327
A
grow up
B
have grown up
C
grew up
D
had grown up
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 Everything he _____ to his country.
#103067
A
had was contributed
B
had been contributed
C
had to be contributed
D
had contributed
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
he young man ________ a suggestion at the meeting.
#99285
A
come about
B
come into
C
come up with
D
come out with