Correct the verb form of the sentences

I. correct the verb form of the sentences
1, I (meet) .......... them after they (divorce)................. each other
2, If I ( not buy )............. this dress , I (have) .....money
II. change the following sentences into passive voice
1. they can't make tea with cold water 
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2. the chief engineer was instructing all the workers of the plant
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3. somebody has taken some of my books away
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4. they will hold the meeting before May Day
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5. they have to repair the engine of the car 
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6.the boys broke the window and took away some pictures
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7. people spend a lot of money on advertising everyday
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