—Has your father returned from Europe yet?—Yes, but he ______ here for only three days before his company sent him to America.
#100719
A
was
B
has been
C
will be
D
would be
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—Does John serve in the army?—No, but he________in the army for 8 years.
#102015
A
would serve
B
has served
C
is serving
D
served
He will stop showing off, if no notice _____ of him. 
#104674
A
is taken
B
will be taken
C
takes
D
has taken