下面是关于史密斯一家郊游的3对句子。每对句子中，每一句是原句，第二句是对第一句的改写。
要求根据原句和第二句中已经给出的部分用一至五个单词补全第二句，注意不能改变原句的意思。
Li Ming taught Tom to play table tennis last month.
Tom ______ to play table tennis last month by Li Ming.

A．At any time before the trip.
B．One week before the trip.
C．Three days before the trip.

A．He could see people and things in other places.
B．He could hear people talk far away.
C．He could read people’s minds.