Scientists are trying to ways to treat the terrible disease called H7N9.
Neither John nor I _______ good at football. We hope to practice it well.
Not only Li Hua bur also I ________ in Class Two .
There ______ still some apples in the fridge now.
The blue jeans _______ 50 dollars. And that black pair of jeans _______ 60 dollars.
There are millions of websites on the Internet and there _________ a lot of useful ________ on the websites.