It’s not easy for the expert to ______ pig flu.in humans from regular human seasonal influenza.    
#84349
A
distinguish
B
separate
C
identify
D
recognize
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When he came to, he found himself ____a chair, with his hands_____back..
#69198
A
to sit; tied
B
sitting; tying
C
sat; tied
D
sitting; tied
_________ some time for your family, which __________ a better family relationship.
#73955
A
Set out; leads to
B
Set aside; contributes to
C
Set off; devotes to
D
Set up; relates to