They ................... (talk) on the phone when the boss................ (arrive) ...

★ Past Tense & Past Continuous Tense

They ………………. (talk) on the phone when the boss……………. (arrive) at the office.

A. talked , arrived

B. was talking , arrived

C. were talking , arrived

D. were talking , was arriving

Preview next quiz:

_____ you _____ anything when I _____ you?

A. Did / do / was calling

B. Are / doing / called

C. Were / doing / called

D. Were / doing / calling