_________you pass the final examination, you'll be given a holiday in Dalat. [as soon as]
A.Once
B.Since
C.Though
D.So

There was no one else at the post office. I_________in a queue.
A.didn't need to wait
B.mustn't wait
C.needn't have waited
D.needn't wait

If I _________my passport, I'll be in trouble.
A.lose
B.’ll lose
C.lost
D.would lose

Without _________it, he hindered us instead of _________us.
A.realize - help
B.realizing - helping
C.to realize - to help
D.realizing - to help

Without the traffic jam on the high way this morning, I _________late for the meeting.
A.would be
B.would have been
C.hadn't been
D.wouldn't have been

_________you known he was a liar, would you have agreed to support him?
A.If
B.Since
C.Had
D.Did

I wish I _________Bob the money; he spent it all gambling.
A.didn't lend
B.wouldn't lend
C.hadn't lent
D.weren't lending

Had you told me that this was going to happen, I _________it.
A.would never have believed
B.don't believe
C.hadn't believed
D.can't believe

Is English a compulsory subject or a(n) _________one at high school here?
A.obligatory
B.mandatory
C.obliging
D.optional

What is minimum entrance _________for this course?
A.condition
B.requirement
C.certificate
D.ability