to be in touch with, to stay in touch with (somebody)
When you can make contact with somebody, he is ... in touch with you, and you are in touch with him.
Difference but aerodrome and air strip
Differences between NO and NOT
Bonjour, je voudrais améliorer mon niveau de français. En échange, je peux donner un cours de russe
Language Exchange: is anyone who can help me to improve english and would learn Italian?
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