Question

4. He was a round little man with a red face and a
whole box of tools with dials and wires. He smiled
at Margie and gave her an apple, then took the
teacher apart. Margie had hoped he wouldn't know
how to put it together again, but he knew how all
right, and, after an hour or so, there it was again,
large and black and ugly, with a big screen on which
all the lessons were shown and the questions were
asked. That wasn't so bad. The part Margie hated
what is that refer in the line that was not so bad​

Answer 1

Answer:

That refers to the mechanical teacher

Explanation:

Margie hated the teacher as it gave her homework.It also took tests and calculated the mark in no time