问题补充:
There are two and six in the zoo.
A. kangaroos; wolfs
B. kangaroos; wolves
C. kangarooes; wolves
D. kangarooes; wolfs
答案:
A. kangaroos; wolfs
(答案→)B. kangaroos; wolves
C. kangarooes; wolves
D. kangarooes; wolfs
解析:句意:动物园里面有两只袋鼠六头狼。Kangaroo的复数形式是在词尾直接加s,wolf的复数形式是去掉f变v,再加es,故选B。