While out the window,I saw my father walking the dog in the garden. A.look B.looks ——青夏教育精英家教网—

摘要：While out the window,I saw my father walking the dog in the garden. A.look B.looks C.looking D.looked

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While _____ out the window, I saw my father walking the dog in the garden.

A. look　　　　　 B. looks　　　　 C. looking　　　 D. looked

While ______ out of the window, I saw my father walking the dog in the garden.
A. looking　　　 B. looks　　　　 C. look　　　 D. looked

While ______ out of the window, I saw my father walking the dog in the garden.

A. look B. looks C. looking D. looked

While ______ out of the window, I saw my father walking the dog in the garden.

A. look B. looks C. looking D. looked

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