a) Ray Tomlinson sent the first email in 1970. WAS
The first email
Ray Tomlinson in 1970.
b) Nobody helped the students to do the science project yesterday. BY
The students did the science project
yesterday.
c) In ancient times, people used drums to communicate with other people. ONE
People communicated
using drums in ancient times.
d) When the fireworks went off, Jim thought it was very frightening. WHEN
Jim was
the fireworks went off.
e) The teacher doesn't let the students eat in the science lab. ALLOWED
The students
to eat in the science lab.