–Why, David, you look so tired!  –Well, I ______ a report for the whole day and I must finish it tomorrow.
#101962
A
was writing
B
will be writing
C
have written
D
have been writing
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The shoes are of high quality and ________ long.
#100395
A
wore
B
are worn
C
wear
D
will be worn
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