21、What did Zhang Peng do yesterday?

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20、What did John do yesterday?

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19、What is Chen jie doing?

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18、What is Zhang peng doing?

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17、What is the man doing?

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16、What is John doing?

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15、What is Mike doing?

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14、What is Amy doing?

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13、How does Sarah go to school?

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12、How do they go to school?

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