Solution
✅ Correct Option: 4
even if - Wrong Like saying "I eat ice cream even if I play outside" - doesn't make sense here because talking and delivering milk aren't opposing actions. in addition - Wrong Like saying "I went to school. In addition, I wore my uniform." These are not separate activities to add together. rightly - Wrong This isn't a joining word at all. It's like trying to say "I play games rightly I do homework" - makes no sense! while - Right Like saying "I sing while I take a shower" - shows two things happening at the same time. The milkman talks to people while he gives them their milk, just like you might hum while brushing your teeth.
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