… the firemen arrived to help, we had already put out the fire.
A.Until
B.By the time
C.After
D.No sooner

I have been interested in wildlife animals … I was seven.
A.since
B.while
C.when
D.as soon as

… I visit him, we talk about politics a lot.
A.As far as
B.Whenever
C.Until
D.Up to

I flew for the first time last year … I went to Brazil.
A.till
B.until
C.as
D.no sooner

I am going to speak with the boss when the meeting …
A.would end
B.is ending
C.will end
D.ends

… for my train the morning, I met an old school friend.
A.While I was waiting
B.Until I had been waiting
C.As I will be waiting
D.When I had been- waiting

Once Mariana … her exam, I … her out to eat.
A.was finishing / would take
B.will finish / have taken
C.finished / had taken
D.has finished / will take

While she … breakfast, I set the table.
A.will make
B.would be making
C.has made
D.was making

…, I will give him the report.
A.Until he will return
B.No sooner he returns
C.When he will return
D.When he returns

I will graduate in June. I will see you in July. By the time I … you, I …
A.saw – had graduated
B.will see – will graduate
C.see – will have graduated
D.see – will graduate