1．________ children there are in a family, ________ their life will be.
答案：The fewer; the better “the＋比较级，the＋比较级”表示“越……就越……”。由句意得知“家里孩子越少，生活就会越好”。children是可数名词，应用few来修饰。
2．—Are you satisfied with what he said?
—Not a bit. It couldn't have been ________.
答案：worse not a bit表示“一点也不”，此处考查“否定词与比较级连用表示最高级的意义”。
3．The old man lives ________most quiet life.
答案：a 句意为：那位老人过着非常安静的生活。live a．..life“过着……生活”， most在此表示“非常”之意，不表示最高级。
4．—I usually go there by bus.
—What about________(try go) by plane for a change?
答案：trying going what about后加v－ing形式，try doing sth.意为“试着做某事”。
5．The man________(react)the matter immediately.
答案：reacted to 句意：他很快对这件事作出了反应。react to“对……作出反应”。
6．Apples are often sold by________(weigh) in the market.
答案：weight 本题考查短语。by weight意为“按重量计算”，符合题意。
