A.unusual B.something to befeared C.abnormal D.natural
单项选择题The discovery of Indo-European language family began with the work of the British scholar（）.
A.Jacob Grimm B.Rasmus Rask C.Franz Bopp D.Sir William Jones
单项选择题The pair of words “lend”and “borrow”are （）.
A.gradable opposites B.relational opposites C.co-hyponyms D.synonyms
