She had golden hair when she was a child, but_________ she got older and older; her hair went darker and darker

We have just set up a hiking club. And “Never say never!” is our _______.

I have lots of friends and they _______very nice to me.

Whose(谁的) ruler is this —–It’s not_______ .It’s_______.

So between 1510 and 1514 Copernicus worked on it, gradually _____ his theory until he felt it was complete. [ ]