He is a man of few words, and seldom speaks until _____ to.
#84613
A
spoken
B
speaking 
C
speak
D
be spoken
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We have been on duty for four hours and ____. 
#83920
A
now comes your turn
B
now does your turn come
C
now your turn comes
D
comes now your turn
_______ about wild plants that they decided to make a trip to Madagascar for further research.
#80380
A
So curious the couple were
B
Such curious the couple were
C
Such curious were the couple
D
So curious were the couple
Not until the man i,n black took off his dark glasses    that he was the famous film star. 
#82239
A
did I realize
B
I realized
C
was I realized
D
I have realized