Q: Sentence (1) Please write to me every week.
Sentence (2) Your son has been writing on the wall.. Word: write.
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A: different meanings

Q: Sentence (1) Has a happy lot.
Sentence (2) Lots of people think so.. Word: lot.
==--==
A: different meanings

Q: Sentence (1) Can you teach me to sew?
Sentence (2) I taught them French.. Word: teach.
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A:
the same meaning