Question about Chemistry, about Alkynes (1)

I've got a sentence and I need someone to answer it for me please, this is the last one -.- im too tired so please do help.

" Alkynes have __________ double bonds(s); alkenes have _______ double bonds(s); and alkananes have _________ double bond(s).

Please fill in the three missing blank spaces, where it should be replaced with words... thankyou

Alkyne is a carbon triple bonded to another carbon
Alkene is a carbon double bonded to another carbon
Alkane is a carbon single bonded to another carbon

"Alkynes have zero double bonds, alkenes have 1 double bond, and alkanes have 0 double bonds.