1) Ben is very shy and he (won't, will talk to me.
2) There's someone at the door.
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That (would, won't) be Karen. We're meeting today.
3) When I was a boy, I (should, would) often go fishing in that river.
4) (Will, Shall) you go to a movie with me?
5) It's very hot in this room.
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That sounds nice.
(Will, Shall) I turn on the air conditioner?
2-