单项选择题
“John killed Bill but Bill didn’t die” is a (n) （）.
A.entailment B.presupposition C.anomaly D.contradiction
单项选择题 The sentence “The baby smiled.” is a（）.
单项选择题 The semantic components of the word “gentleman” can be expressed as（）.
单项选择题 The pair of words “lend”and “borrow”are（）.
