When ________ the accident ________?

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________ are asking some people about the accident.

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________ your father ________ while your mother ________ this time yesterday?

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A．Was; reading; was cooking

B．Was; reading; cooked

C．Did; read; was washing

D．Did; read; washed

Get up earlier and try ________ late.

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Every morning the twins' mother ________.

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We find ________ not easy ________ the mountain.

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Would you please ________?

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His father ________ when he was reading books last night.

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When I arrived home, I saw my mother ________.

[　　]

Dad bought ________ book for me as a present.

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