The bridge is closed so we advise you to use a(n) ______ route.
We should try to do as many _______ things for the environment as we can.
He is said _______ for the International Criminal Police Organization for many years.
He was sent to Australia _______ when he was ten years old.
Though he had tried to swim across the English Channel, he didn’t _______.
I don’t know why he has been absent _______ class for so long.