1. When I (wake up) the birds (sing) a. woke up, were singing

b. waking up, were singing

c. woke up, sang

2. I (not hear) you because I (listen) to music

a. wasn’t hearing, was listening

b. didn’t hear, was listening

c. didn’t hear, listened

3. I (break) my leg when I (skate)

a. was breaking, was skating

b. were break, were skating

c. broke, was skating

4. I (learn) Flamenco while I (live) in Seville

a. learnt, was living

b. was learning, was living

c learnt, lived

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