I can always do my homework...

...Tonight.

...Later tonight.

...Tommorow morning.

...On the bus.

...Before the first bell.

...In first block.

...At lunch.

...At the beginning of class.

...By the end of class.

...This afternoon, and email it then.

...After dinner, and email it then.

...Later tonight, and email it then.

...Tommorow morning, and hand it in late.

(Repeat as necessary).