Is that your best friend Kitty – No, it _________ be her. She flew toSingapore yesterday.

填入下列横线处，与上下文衔接最恰当的一组是茶峒河是酉水的一条支流，河水明澈如镜。________。当地的顽皮伢仔喜欢在这里撒尿，笑咧咧地夸口：“哈，老子一泡尿浇遍三省！”________，还是“拉拉渡”，不用篙或桨，不过牵船的蔑缆换成了拇脚趾粗的钢索了。摆渡的还是个老人，________也许是有的，一时半会儿不知跑到哪儿玩耍去了。①这里因沈从文的著名小说《边城》以此为背景而闻名。②《边城》中描写的那个渡口还在，据说渡口恰是三省的交界点。③渡口还在老地方，不过尖头的渡船变成方头的了，④小说中渡口的尖头渡船已经变成方头的了，⑤身边看不到其他人，⑥只是不见翠翠和黄狗，

With his horse ____to the tree, the man had a rest in the shade.

I think this jacket looks nice ____you.

He has to finish the experiment today. He must be in the lab, ______?