1. What _____ you _____ (do)?
2. I _____ (sing) an English song.
3. What _____ he _____ (mend)?
4. He _____ (mend) a car.
5. _____ you _____ (fly)a kite? Yes, _____.

1. she, the window, open, now. (用現在進行時連詞成句)
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2. is, who, the window, cleaning? (連詞成句)
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3. She is closing the door now. (改成否定句)
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4. You are doing your homework. (用"I"作主語改寫句子)
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5. they, the tree, sing, now, under. (用現在進行時連詞成句)
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