The past two years ________ a sharp rise in oil price,which adds to the burden of auto transportation industry.
#99722
A
witnessed
B
has witnessed
C
is witnessing
D
witnesses
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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
—I’m not finished with my dinner yet.—But our friends      for us.
#101664
A
will wait
B
wait
C
have waited
D
are waiting
 David has got everything ready, _________ it well.
#103138
A
determined to do
B
to be determined to doing
C
determining doing
D
to determine to do