-- _____ the letter on your way to office.--O K. I _______.
#103665
A
Don’t forget posting; will
B
Do remember to post; will
C
Do forget to post; do
D
Do remember posting; do
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 I ________ a topic for the composition, but haven’t decided yet.
#100171
A
will think about
B
have been thinking about
C
had thought about
D
was thought about
I need one more stamp before my collection ______. (MET1994 ) 
#104331
A
hascompleted
B
completes
C
hasbeencompleted
D
iscompleted