1.all the students in my class are kept ___(read)books after school .2.just now they saw the old hou

题目

1.all the students in my class are kept ___(read)books after school .2.just now they saw the old houses ___(pull)down by the worker .3.Tom was going through the crowd when he heard his name __(call)

答案

1.reading.keep sb.doing sth
2.pulled.see sth.done 看sth被做
3.called.hear sth.done 听到sth被做
考查分词,关键在于与分词发生关系的主语,看是主动还是被动关系,来确定现在分词还是过去分词.