—Were you surprised by the ending of the TV series? — No. I ______ the novel, so I already knew the story. 
#103509
A
was reading
B
had read
C
am reading
D
have read
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– Shall we go out for lunch?– Don’t disturb me. I ______ the letters all morning and ______ six so far.
#100998
A
write; wrote
B
wrote; have written
C
was writing; wrote
D
have been writing; have written
--- Have you finished the report? --- No. I ______ it all this week.
#101397
A
will do
B
had done
C
have been doing
D
have done