The agent was about to sign his name to the document ________，to our surprise，a stranger broke in to prevent him.
#30223
A
while
B
when
C
as
D
until
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_______ we start thinking and believing we can do it, anything is possible.
#32281
A
Since
B
While
C
Until
D
Once
The problem of the present world is that those who are imaginative have little experience_________those who are experienced have weak imagination.
#31024
A
unless
B
although
C
because
D
while
I came to the music hall, I got addicted to the tone.
#32946
A
The first time
B
For the first time
C
First time
D
First
How can they expect to learn anything ________ they never listen?
#30286
A
whether
B
when
C
but
D
unless
One of the men present held the view ________ the book said was right.
#80267
A
what that
B
what
C
that
D
that what