it’s good for you to read some books __________Chinabefore you start your trip there.

I am sure ____ you said is true

I’ll play baseball, because it can_______.

Which sport is the most popular in the US? —It’s hard to say．It largely ______ what you mean by “popular”?

How is the man injured in the earthquake—The doctor said if ________ in a proper way，he was likely to be saved.