15—When Lily fainted, we could have turned to your father for help—Yes, sending her to hospital _________ necessary

The factory ___ I am going to is the place ___ my mother used to work many years ago

The good thing about children is that they ________ very easily to new environments.

The agreement indicates that the two companies will________with each other again.

,you play so well. But I ______ you played the piano.