He devoted as much time as he could _________ on the plan.
I’m still too hungry. Please give me _______________ hamburgers.
--________ is the bridge near our school? – It’s about 15 metres.
The Voice of China became one of ________ TV ______ last year.
My cousin likes ______ jokes and he never _______ bad things about others..
My ticket is _____ now, but I will _____ it forever.