下列各句中，加横线的成语使用恰当的一项是（ ）

Computers_______ many things and we_______ these modern machines.

e is faced with a dilemma sometimes, he usuallymakes a/an ________ decision by throwing a coin

we found one lion lyingnear the river, and ____under a tree

My desk-mate, Beth comes from a traditionpeople dress up for particularly popular sporting events.