Rewrite the following sentences

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7. A friend of ours fixed our car for us. (HAD)
→ We _______________ our car.

8. It’s highly likely that Stephen was listening. (MAY)
→ Stephen _______________ listening.

9. The only reason I haven’t moved to London yet is the cost. (FOR)
→ Had _______________, I would already have moved to London.

10. You have to put more effort in if you want to succeed. (FAIL)
→ You put more effort in.