— Why weren't you at the meeting?    — I ________ for a long distance call from my sister in America.
#104515
A
was waited
B
was waiting
C
has waited
D
have been waiting
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All that can be eaten _______ eaten up. 
#104878
A
are being
B
has been
C
had been
D
have been
Look at this ! I_____some magazines and______this letter. 
#104651
A
was looking through; found
B
am looking through; find
C
looked through; had found
D
had looked through; finding