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
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We’ve been told the good news, but when and where to go for the exciting paid vacation _______ yet.
#101524
A
are not discussed
B
have not been discussed
C
is not being discussed
D
has not been discussed
The surface of the table ______ smooth enough.   
#102806
A
hash’t felt
B
isn’t feeling
C
doesn’t feel
D
isn’t felt
I have got four day's holiday to Paris. I _______ my father.
#99523
A
am taking
B
had taken
C
took
D
have taken