What on earth did you tell her? The_____on her face suggested that she was very angry.

The rescue team didn’t leave until they were able to find no ______ of life in the ruins after the destructive quake.

The scientific research on how to protect the rare animals is ________. Many scientists are working hard to find new way to raise the animals by man.

. The rocks are very big with _____ of colors on them.

Sometimes you need to give a stain _____ before adding the garment to a load of laundry.