Professor Hawking stepped into the office I knew that there was no hope.
#31869
A
Unless
B
Now that
C
Although
D
The moment
推荐题目
I was fortunate enough to travel to South Africa, I met some women who have organized themselves into a group.
#32694
A
then
B
there
C
while
D
where
(2010·北京，27)Children who are not active or ________ diet is high in fat will gain weight quickly.
#30485
A
what
B
whose
C
which
D
that
All the photographs in this book, _______ stated otherwise, date from the 1970s.
#31571
A
until
B
once
C
if
D
unless
I had no idea of the exact address of Xinhua High School ________I was outside its front gate.
#30227
A
when
B
after
C
until
D
because
________ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
#79667
A
While
B
As
C
Because
D
If