I was about to accept his offer ___ my brother told me that he was a notorious liar.
A.since   
B.so
C.then    
D.when

I am not against the plans for the new gallery at all; ___ I think it’s a marvelous idea.
A.on the other hand
B.on the contrary
C.in contrast
D.nevertheless

It was not ___ midnight that they discovered the children were not in their bed.
A.until    
B. at
C.during
D.when

___ the problems are numerous, we must still try to solve them.
A.in spite of
B.although
C.in order that   
D.since

“You can’t have this football back ___ you promise not to kick it at my cat again”, the old lady said firmly.
A.while
B.until    
C.when
D.though

Some fish can survive only in salt water, ____ other species can live only in fresh water.
A.since   
B.unless
C.if
D.whereas

___ I had turned the corner, I began to run.
A.scarcely
B.once
C.just
D.hardly

___ you do better work than this, you won’t pass the exam.
A.if
B.although
C.unless
D.when

___ Jackson became famous, he has ignored his old friends. He shouldn’t do that.
A. if
B.ever since
C.even though   
D.due to

He won’t be able to pay for the car ___ his father’s help.
A.until    
B.except
C.unless
D.without