[解析]
61.looking 考查现在分词,主语与动词之间是主动关系,用looking作伴随状语.
62.gently 考查副词,修饰动词用副词.
63.to give 考查不定式.ask ab to do sth请求某人做某事,用to give作宾补.
64.went 考查一般过去时态,和took、asked作并列谓语,所以用一般过去时态.
65.pairs 考查名词的数,pair为可数名词,前面有dozen,所以用pairs.
66.them 考查代词.指代前文的feet,用them.
67.and 考查连词,knelt down,washed,dried是上并列谓语,所以用and连接.
68.on 考查介词,pat sb on the head拍某人的脑袋.
69.comfortable 考查形容词.你是否感到更加舒服了呢,feel为系动词,所以用形容词comfortable作表语.
70.who 考查定语从句,先行词为the astonished boy,在非限制性定语从句中作主语,所以用who引导非限制性定语从句.