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。

填空题 Li Ming taught Tom to play table tennis last month. Tom ______ to play table tennis last month by Li Ming.

填空题 At first Tom found it difficult to play table tennis. At first Tom found that ______ difficult to play table tennis.

填空题 But now Tom is a good table tennis player. But now Tom plays table tennis ______.