Option 1 all the way. There is absolutely no way your kids will not learn English living here in Canada.
I speak English & Cantonese at home with my wife. My parents are fluent in both as well. In-laws, the mom can get by with basic English, and the dad speaks his own village dialect, lol.
We all spoke Cantonese for the most part for my first kid, and he even tried speaking Cantonese in preschool. But the moment he went to kindergarten, he lost his Cantonese
Second kid we didn’t even bother; his brother would talk to him in English!
