far
farther
long
distant
第1题:
so
when
after
before
第2题:
to clean
clean
cleaning
cleaned
第3题:
第4题:
hold
known
marked
shared
第5题:
long it takes however
it takes however long
long however it takes
however long it takes
第6题:
did pass
pass
were to pass
had passed
第7题:
descended
decreased
disappeared
departed
第8题:
finish
are finished
have finished
are finishing
第9题:
interfered
interrupted
discouraged
disturbed
第10题:
第11题:
glance
glimpse
look
see
第12题:
moderate
considerable
considerate
concrete
第13题:
whose parents are clever
often thinking about difficult problems
often helped by his parents and teachers
born with a good brain and putting it to active use
第14题:
the government who decided
what has the government decided
only the government has decided
what the government has decided
第15题:
either
if
neither
whether
第16题:
who
that
from which
from whom
第17题:
where
when
that
the place where
第18题:
第19题:
answer for
answer to
ask for
allow for
第20题:
in any case
in case
because
for
第21题:
used; keeping
was used; keeping
is used; to keep
are used; keep
第22题:
sensitive
sensible
smart
wise
第23题:
watching
watched
seen
seeing
第24题:
kind
sort
source
resource