Daisy ______ all the housework, she dropped herself into the sofa, sighing with relief.
—Why do you eat so little?—I’m _______ a diet to reduce some weight.
Some policemen should be sent to _______ them _______ the animals.
After going into the concert hall, Tom _________ a friend and went over to greet her.
—What do you think of the play?—Terrible! I’ve never seen _________ one.
Between 4.5 and 3.8 billion years ago, the earth became so ______ that it was not clear whether the shape would last or not.