-- A medical team was sent to Japan by air five hours ago. ---So they_____ have arrived by now. The flight usually takes four hours or so.
. I went to see him, _______ him out.
. He didn’t know _______ or stay.
.---Will the Smiths go abroad this summer? ---No, they finally decided _______ .
. ---I usually go there by train. ---Why not _______ by boat for a change.
.He pretended _______ nothing about it.