.The cat is the only one of her pets she will have _____on her bed.it asleep B. it sleeping C. slept D. sleeping
The children all looked _____ at the broken model plane and felt quite _____.
----“This book is ______ more useful for us students.”----“Yes, but it is _______ too difficult.”
He said he would return the money, and I was ______.
She looks very _____ but I can’t remember her name.
As it was almost time for the flight, all the passengers got ______ the plane.