--- Can you tell me why you learn English so well?--- It’s very simple. ______ you study, _______ grades you will get.
_____ warm weather it is today! Let’s go swimming.
The white watch is _____ one of all my favorites.
---Did you notice someone enter the classroom just now?---Sorry, I didn’t. I _____ my lessons at that time.
_____ this cake, you’ll need 2 eggs, 175g sugar and 175g flour.
This is my book. _____ is over near the window.