—I don’t understand why you didn’t go to the lecture yesterday afternoon.—I’m so sorry.But I________my homework.                       (2013·湖南,34)
#99429
A
had done
B
was doing
C
would do
D
am doing
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I got caught in the rain and my suit____.
#104002
A
has ruined
B
had ruined
C
has been ruined
D
had been ruined
—Can I help you, Madam?— No, thanks. I_______.
#104508
A
have just looked around
B
just look around
C
just looked around
D
am just looking around