--He hardly has any spare time for his hobbies, _________ he? --________. He has too much homework to do every day.
Miss Zhao is very helpful. She often helps us ____we are in trouble.
The harder we work, the ___ result we will get.
If you want to do better in playing the piano, you need more ____.
Willie will learn swimming, no matter how much it ____.
---May I use your dictionary? ---_____.