You can take anything from the shelf and read, but please________the books when you've finished with them.
Tom is _______ learning English. To learn it well, he abandons all his hobbies.
You are always telling me I am lazy. Look at your room. What a mess it is! ________.
— It’s ten years since I met you last time. I ________ you at all. —I wouldn’t have, either, if someone ________ you by name.
Now our school is four times ________ it was twenty years ago.
Mary ________ a smile when she heard her family went to Australia without her.