Question

Complete the sentences with when or while:
a) I was taking a shower my brother called me.
b) My mother kissed me I was watching TV
c) Jim and Carol were making cookies Allan knocked at the door
d) The director arrived The secretary was talking on the phone e) Leo walked into the room Toby was reading a comic book

Answer 1

a) when
b) while
c) when
d) while
e) while

Answer 2

a) I was taking a shower WHEN my brother called me.
b) My mother kissed me WHILE I was watching TV
c) Jim and Carol were making cookies WHEN Allan knocked at the door 
d) The director arrived WHEN the secretary was talking on the phone
e) Leo walked into the room WHEN Toby was reading a comic book