It was silly ____ you to give up ____ things that we all wanted.
---I am not going swimming tomorrow afternoon. ----_____. I have to clean up my bedroom.
Could you please_____ the piano so loudly? Your brother is having a rest now.
选出划线部分发音与其他三项不同的一项。
How long have you ______ this book ?
You can visit Hong Kong in ______ season because there are many modern shopping malls there.