Once a programme ________ put into a computer, it ________ accordingly.
#104795
A
is; acts
B
is being; is acting
C
has been; will act
D
will be; acts
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Having devoted his life to the realization of racial equality，former South African President Nelson Mandela＿＿＿on December S，2013．
#99772
A
passed away
B
had passed away
C
has passed away
D
passes away
Kate _________ in America for many years, but she’d never regretted her decision to return to her motherland.
#101503
A
worked
B
was working
C
has worked
D
had worked
She told me that she had mailed part of the products and that the rest ______ in a few days.
#99232
A
has followed
B
have followed
C
was following
D
were following
During the period of recent terrorist activities, people _____ not to touch an unattended bag．
#103992
A
had always been warned
B
were always being warned
C
are always warning
D
always warned