当乔告诉我她有一个双胞胎姐妹时，一切就都说得通了。

When Jo told me she had a twin sister, everything ___fell ___into ___place.

听到他的解释后，所有令人困惑的细节都变得清晰了。

After hearing his explanation, all the confusing details ___fell ___into ___place.

一旦我看到最后的证据，整个谜团就解开了。

Once I saw the final piece of evidence, the whole mystery ___fell ___into ___place.