九年级上学期英语,按要求该句子.句型转换
1.what do people use the pen to do?改为被动语态
what ( ) the pen ( )to do by peopel?
2.the workers were made to finish the work at once by the manager改为主动语态
the manager ( )the workers( )the work at once.
3.he is the man called bob 改为定语从句
he si rhe man ( )( ）（ ）bob