Frank is my aunt’s son. Frand and I are       .

---- Do you know how to prevent (预防) the H7N9 flu?---- You can ask the doctor for some ________.

 -----What’s the ______ in the match?------It is 2-0.

Eating a ________diet helps us to keep a _________of yin and yang.

---What       do you like? ---I run every morning, and often play tennis at weekends.