下列各句不属于判断句的一项是（ ）

you think you can or not, you mustfinish the project before Friday

— How do you _____ your spare time — Travelling, fishing and surfing throughthe internet.

To see a young couple loving each other is no_________, but to see an old couple loving each other is the best sight of all.

I often go to work bike, but today I go to work a bus.