They are all alike. ✬

The two brothers are very much alike. ✬

The twins are very much alike. ✬

The twins look exactly alike. ✬

The twins are as alike as two peas in a pod. ✬

The sisters are quite alike. ✬

The three sisters look very much alike. ✬

The twin girls are so much alike that I can't tell one from the other. ✬

All those flowers look alike. ✬

Those two are exactly alike. ✬