The pair of words “l(fā)end”and “borrow”are（）.

According to the ways antonyms differ, how many groups can we classify antonyms into?

The fact that different languages have different words for the same object is good proof that human language is （）.

The word “photographically” is made up of 5 morphemes.

Give the description of the following sound segments in English.[k];[z];[w];[u:];[i]