Change the following sentences into passive voice : 1. We often write our lesson carefully.  Our lesson _____________________________________________________________ 2. Tom didn’t do his homework last night.  Tom’s homework _______________________________________________________ 3. Have you ever met that girl before?  Has that girl ____________________________________________________________ 4. When will they finish their project ?  When ____________________________________________________________________ 5. My students are planting colorful flowers in the school yard at the moment.  Colorful flowers _________________________________________________________________