______ it______ for your help，I couldn’t have made any progress．

We have dealt with a large part of the problems, and the rest ________ by you.

Let me show you some photos of beautiful nature ______ you and you can bring them _______ you.

Are you still busy?— Yes, I _______________ my work, and it won’t take long

_______ girl with ___________ apple in her hand is my best friend, Lucy.