Question

of his two sisters is teathers

One of his two sisters is more friendly than _.A.another B.the other C.other D.the
others
One of his three sisters is more friendly than _.
A that two B the others C others

Answer 1

1、B,one⋯the other⋯(两者中)一个⋯另一个⋯
2、B,the others指三个中除一个之外的另两个.