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22. I last had my hair cut when I left her.
→ I haven’t …………………………………………………
23. The last time she kissed me was 5 months ago.
→ She hasn’t…………………………………………………
24. It is a long time since we last met each other
→ We haven’t…………………………………………………
25. When did you have it ?
→ How long 
26. This is the first time I had such a delicious meal .
→ I haven’t…………………………………………………