在下面一段文字横线处填入语句，衔接最恰当的一项是（ ）荔枝的肉大多数白色半透明，说它“莹白如冰雪”______．_____．______．______．______．______。荔枝晒干或烘干，肉就成红褐色，完全失去洁白的面貌。①从植物学的观点看，它不是果肉，而是种子外面的层膜发育而成的，特称假种皮。②荔枝肉的细胞壁特别薄，所以入口一般都不留渣滓。③早熟品种则酸味较强。④真正的果肉倒是前面说的连同果壳扔掉的那一层膜。⑤味甜微酸，适宜于生食。⑥有的则微带黄色。

Now, the world’s focus is all on Shanghai ______ the 2010 world Expo is to be held

It’s said that the old lady died ________.

Have you _____ him to give up the job?— Yes, I haveBut he doesn’t listen to me

At present, lots of people would rather ________ in the country because there is ________ pollution in the city.