Question

8. The two girls are so alike that strangers find difficult to tell one from the other.

   A. it   B. them

   C. her   D. that

Answer 1

8. A

8. A解析:it为形式宾语，代替真正的宾 语 to tell one from the other。句意：那 两个女孩如此相像以至于陌生人很难把 她们区分开来。