(ELC) Past Tense vs Past Continuous

(You/sleep) when the phone (ring)?

While we (have) a trip, we (see) a road show.

Cindy (hear) the sound when she (run) into her car.

While he (take) pictures, he (fall) off the hill.

When she (do) her exercise, someone (tap) her shoulder.

The runner (jog) along the street when he (lose) his breath.

The mobile phone (go) off while we (have) a serious conversation.

He (get) an idea while he (sit) alone in the park.

I (not/ understand) what they (discuss) about.

She (take) a bath when the robber (steal) her laptop.