My dog is dirty because ... (play in mud)
... he's been playing in the mud.
It smells good because. Ruth ... (bake cookies). They will be ready in five minutes!
has been baking
I'm not nervous for my presentation today because... (practicing a lot)
... I've been practicing
My phone battery is low because... (watch a lot of Tik Toks)
I've been watching a lot of Tik Toks.
I feel better because... (go to bed early) lately.
I've been going to bed early lately.
