I ___ on the presentation when my boss called me. A. worked B. have been working C. have worked D. was working - Tenses | English Grammar Quiz

I ___ on the presentation when my boss called me.

A. worked

B. have been working

C. have worked

D. was working

Random Topics:
Brake vs. Break Passive Voice Reflexive Pronoun

How to use : Read the question carefully, then select one of the answers button.

Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.