-- Who do you think ___ the book here?  --- It may be John. He was sitting here all the morning.
#103608
A
has left
B
leaves
C
had left
D
was leaving
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We first met in New York, if my memory          me.
#100944
A
serves
B
served
C
is serving
D
has served
She couldn’t        her words        by the students even if she repeated them once again.. 
#101805
A
get…understanding
B
get…understood
C
get… to understand
D
make…understand
—What’s that terrible noise? —The neighbors ________ for a party. 
#104750
A
have prepared
B
are preparing
C
prepare
D
will prepare