—What are you doing? —I'm the key to the door.A. finding out B. looking after C. looking for
Do you enjoy ____football? I hear there will be a football match tomorrow.
.Of the two coats, she ’d like to choose the ____one to save money for a book.
Can you finish ____the book in about a week?
Parents usually _______ a role in _______ their kids.
I hope _____on time.