纳税人和负税人既有区别又有联系,下列对二者关系理解正确的是 ( )
— How much do I owe you for this supper? — _________. It’s nothing.
When Marx was in London, he _______ read at the library for hours.
Help! My door shut after me and the eggs _________ in the pan.
The reason _______ he gave for being late was ________ he overslept this morning.
The dog had such ________ to its master that it would not leave him, even when he was dead.