【单选题】Speaker A:Id love to come to your barbecue on Saturday but my cousin is arriving from California that day. Speaker B:Thats no problem. The more the merrier. Im glad______.
【单选题】I was so _____ in my reading of the documents about our company's expansion plan in my uncle's office that I was ______ of the danger that was coming near. [ ]
【单选题】Upon arriving home from a business trip, dad asked mum about my academic performance at high school and then _____ of my little sister, who was in junior school.