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6 Complete. Use the correct form of the verbs in brackets.

One day when I was shopping with my sister we (saw) a robot in a toy shop. The robot (was) huge and it (had) 3 four arms. It (could) walk but it (could not) 5 speak. While I (was looking at) 6 some footballs, my sister (was playing) with the robot. Suddenly my sister (shouted) 8. She (was) 9 the arms of the robot and the robot (was walking) 10 around the shop!