【B2】A．running fromB．jumping offC．stepping offD．keeping from

Men and women always compete in running, jumping, climbing, lifting, throwing and wrestlin

A．fromB．againstC．awayD．off

We were tired and nervous ______the constant tension.A．fromB．forC．withD．off

A．fromB．againstC．awayD．off

Jack jumped off the porch and ______ across the lawn.A．pacedB．strolledC．strodeD．swung

If attacked, black bears can______.A．run away slowlyB．turn to white bears for helpC．jump i