I wrote to my parents once a week,____ I was too busy with my teaching work.
#80142
A
it
B
unless
C
when
D
as
推荐题目
It is uncertain ___ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.
#32181
A
that
B
whether
C
how
D
what
______ he used traditional materials, Gaudi was a modern architect.
#30817
A
Despite
B
In spite of
C
Although
D
Since
—My son is addicted to computer games. He is hopeless, isn't he?—Yes, _____ he is determined to give up and start all over.
#31438
A
if
B
when
C
even if
D
unless
She was such a proud person that she would die ____ she would admit she was wrong.
#80005
A
rather than
B
until
C
after
D
before