The difference between 'to' and 'up to' that even advanced English learners often don't know

The difference between 'to' and 'up to' that even advanced English learners often don't know'My mother lived to be 90.'How ...
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Basic English vs advanced English words

Basic English VS advanced English words! 🤔📚!!

A point even advanced English learners are often surprised by: why you can say 'I'm an American' but not 'I'm a Japanese'

A point even advanced English learners are often surprised by: why you can say 'I'm an American' but not 'I'm a Japanese'Please look at the following English sentence.I'm an American.This is a correct ...