--- You’re quite free now, I think. ---_______. I have tons of things to do! 
#2004
A
By accident
B
On the contrary
C
That’s right
D
I can’t agree more
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.-----My brother failed in business.-----_____. 
#3470
A
I am certain he’ll make it.
B
That’s really tough.
C
Everything is going well with me.
D
Actually, there is no choice anyway.