问题描述：
The twin looks____each other.It is difficult to tell____.A.similar to,which is which B.same as,who
I am sure it's there ——I will ____the file again.
A.go up B.go through
C.go with D.go together
第一题的选项：A.similar to,which is which C.similar to,who is who A和C有什么区别？
I am sure it's there ——I will ____the file again.
A.go up B.go through
C.go with D.go together
第一题的选项：A.similar to,which is which C.similar to,who is who A和C有什么区别？
问题解答：
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