Can and Can't

I (a)   only speak English. I don't know any other languages.

What sports (a)   you play best?

A dog (a)   be man's best friend, but it can't help with the chores

Narrow-minded people (a)   see the future very well.

Fish (a)   breathe outside the water.

(a)   you cook?

Denis doesn't want to go swimming with us because he (a)   swim.

It's really dark here, I (a)   see anything

You (a)   park your car here, it's forbidden.

I am very hungry I (a)   eat everything right now.