What does Professor John Sinclair say about one of the findings coming out of the studies? 查看材料
A.
'Ex' and 'former' are often associated with 'lover'.
B.
'Her lover' is more often used than 'his lover'.
C.
English language is used wittily and lively.
D.
Ordinary people use English language more frequently.Questions 18 -21 are based on the following dialogue.