As a scientist, Madam Curie devoted herself ________ to her research and that was why she was given two Nobel Prizes.
An operation is usually performed by a ______.
He is the manager of the factory. He is ______ it.
The whole hall wants ______.
______ worried her mother a lot.
_____ with terror, the dog hid himself in a small cave, _____ his tail to the rain.