填空题 下面是三对句子。每对句子中，第一句是原句，第二句是对原句的改写。要求根据原句和第二句中已经给出的部分补全第二句。把补出的部分写到答题卡2上各题的序号后。注意不能改变原句的意思。

填空题 The children had a good time at the party. The children ______ themselves at the party.

填空题 He sold me the book for 30 yuan. I ______ him 30 yuan for the book.

填空题 It is such a long way that I can't walk any farther. It is ______ long a distance that I can't go any farther.