I _____ on a sofa because my grandparents have come for the weekend.
#104156
A
slept
B
was sleeping
C
have slept
D
am sleeping
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I fixed my eyes upon the newcomer, wondering whether I ________ him somewhere before.
#99984
A
saw   
B
has seen   
C
had seen   
D
would see
He has always insisted on _______ Mr. Berg instead of Justin.
#101666
A
been called
B
called
C
calling
D
being called