一
ACC ABDB FEAGC
on
But
uncomfortable
walking
when
it
did
At
stood
this
surprising→surprised
has→had
such→so
while→when
them→him
or→and
had （an） operation
sincere→sincerely
去掉to
二
CADBC ADDDC BABBB CDDDA
BDEAF
called
with
who
winning
a
congratulations
was announced
her
terribly
but
exam→exams
suffer→suffered
is→are
harder→hard
confidently→confident
but→and
analyse后的the去掉
which→who
去掉are