If you go into a store and feel that the clerk is being rude, stop and think that she____ a tough day, and put yourself in her shoes.
Tom _________ in the library every night over the last three months.
Although cats can not see in complete darkness, their eyes are much more _______to light than human eyes.
There’re more than 100 elements found in nature, ______ are metals.
— Tony,you look upset. What’s the matter?— I had my proposal _______ again.
______ Father offers to us children is honesty and kindness.