As we (talk), a dog came in.

1. As we (talk), a dog came in.

【考点】

现在分词; 系动词be; 过去进行时;

【答案】

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语法填空（单句）普通

语法填空（单句）普通

water drive dance make face

— Yes. I too fast when a dog ran across the road suddenly.

— Sorry, Mum. I (dance) to the music when you knocked on the door.

选词填空（多句）困难

语法填空（单句）普通