p.2 TRIAL 2 エクササイズ (1) A: Excuse me. Is this seat next to you available? My wife is arriving in about fifteen minutes. B: ( ) (2) A: I've been waiting for Ken all this time. He hasn't shown up yet. Did you see Ken anywhere? B: ( ) (3) A: Have you lost your smartphone? This smartphone was on the sofa over there. I think it is yours. B: ( )