---- How long was it ______ you finally reached your goal of becoming a doctor?---- Five years.
#30693
A
before
B
since
C
when
D
until
推荐题目
It knowledge is power, Sir Francis Bacon wrote in 1579, perhaps creativity ca be described as the ability to use that power.
#80159
A
what; and
B
as; then
C
which; and
D
that; then
You shouldn’t accept a gift from a person _____ you don’t know him.
#31530
A
until
B
unless
C
if
D
whether
Read this story，________you will realize that not everything can be bought with money. (2013·四川，4)
#30220
A
or
B
and
C
but
D
so
No government can justly claim authority it is based on the will of the people．
#33969
A
after
B
unless
C
so that
D
while
—Can you work out the problem? —I can’t ______your explain how to do it.
#32743
A
but for
B
except
C
apart from
D
unless