1. Close to means near.
Your house is close to the metro station.
They are sitting close to each other.
2. Close to indicates a very friendly or intimate relationship.
She is very close to her older sister.
3. Close to (adverb) can mean almost.
I wrote close to fifty invitations this morning.
Fact
Chrysler built B-29's that bombed Japan, Mitsubishi built Zeros that tried to shoot them down. Both companies now build cars in a joint plant call Diamond Star.
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