bài thi Level B #1

1) ___ you buy the tickets in advance, you won't be able to see that concert.

a) if
b) unless
c)
d)




2) Don't do it ___ you're not sure of the consequences.

a) if
b) unless
c)
d)




3)Don't do it ___ you don't want to.

a) if
b) unless
c)
d)




4) He must study ___ he doesn't want to flunk the course.

a) if
b) unless
c)
d)




5) ___ he moves to another country, it'll probably be to Australia

a) if
b) unless
c)
d)




6) ___ she works hard, she won't get a promotion.

a) if
b) unless
c)
d)




7) I'll go to the concert with you tonight ___ my boss asks me to work overtime this evening.

a) if
b) unless
c)
d)




8) I'll punish you ___ you break one of my favorite vases.

a) if
b) unless
c)
d)




9)___ you ask me to sit somewhere else, I'll sit here.

a) if
b) unless
c)
d)




10) ___ you don't mind, I'll sit here.

a) if
b) unless
c)
d)