Question

I____ (read) a book when you called

Answer 1

I was reading a book when you called.

The above-highlighted words are action or activity that was happening in the past. This definining of a time period of the occurrence of an activity or event or a phenomenon is done by the usage of tense.

• The tense used in the blank is past continuous tense.
• This tense signifies that the said activity was happening in the past.