The two things are the same in outward form but different _____.
______ in the regulations that you should not tell other people the password of your email account.
The couple never have words because they have ______ with each other.
The driver started to speed up to ______ for the hour he had lost in the traffic jam.
______ do we owe the discovery of the wild land?
—How much should I pay for the ice cream?—It's my ______.