单项选择题
A.could have gone B.went C.might have gone D.have gone
A.he believes the story "In the Kingdom of the Seals" B.we should know something about seals and not kill them C.Donald A. Mackenzie knows a lot of the seals D.seals are clever animals
A.they are the cleverest creatures in the sea B.they are good at swimming C.they are the fairies of the sea D.they are our friends