Question

1/ Insert when or while according to the sentences.
a. Morris was sleeping
his father arrived.
her husband
b. Mrs. Lee was traveling
was coming
Alicia and her boyfriend were eating a pizza
Paul called her.
her classmates
d. Maria was studying Math
were playing soccer.​

Answer 1

A. When
B. While
C. When
D. While

Não entendi direito umas partes, pelo que eu tentei entender, acho que fica assim