Professor Hawking stepped into the office he knew that there was no hope.
#31847
A
Unless
B
Now that
C
The moment
D
Although
推荐题目
It is hard to avoid mistakes. you correct them, it will be all right.
#31938
A
As long as
B
Although
C
In case
D
Even though
Some of my workmates prefer to send to our QQ group ______ news they got.
#30165
A
whatever
B
however
C
whichever
D
whenever
While traveling in Sichuan，you can’t miss________people call “The National Treasure”—Giant Panda.
#32000
A
that
B
it
C
what
D
which
It was several minutes ____we realized what was happening-our dog was trapped in a newly-dug tunnel.
#30154
A
since
B
before
C
until
D
while