List of top General Aptitude Questions on Tenses asked in GATE AE, GATE PI

We __________ tennis in the lawn when it suddenly started to rain. 
Select the most appropriate option to complete the above sentence.

We \_\_\_\_\_\_\_ tennis in the lawn when it suddenly started to rain.
Select the most appropriate option to complete the above sentence.
We \_\_\_\_\_\_\_ tennis in the lawn when it suddenly started to rain.
Select the most appropriate option to complete the above sentence.