—Tell us something about Canada, OK?
—I’m sorry. _________ Jack _________ I have ever been there.
A:Either; or
B:Not only; but also
C:Both; and
D:Neither; nor
大象是陆地上最大的动物,现存的大象仅有非洲象和亚洲象两种.
非洲象的身高是亚洲象的____倍、体重是亚洲象的____倍(结果保留一位小数)