_______ he exercises every day, _______ he is very healthy.

---Could you please give the dictionary to Wang Feng?
---Yes, of course! I’ll give it to him ________ he comes back.

You’d better look up the new word in a dictionary _____ you don’t know it ?

________ Tom ________ Mary speaks good Chinese, so they can communicate with these Chinese students very well.

--- Would you like to go hiking with us for summer vacation?
--- Yes, I’d love to. _____ my parents have decided to take me to visit my grandmother.

The young girl couldn't afford a new car. ______, she bought a used one.

I am going to Tian’anmen Square to watch the raising of the national flag with Lin Tao        it rains early tomorrow morning.
A. when            B. if         C since             D. unless

The bus driver always says to us ,“Don’t get off________ the bus stops.”

My friend Max started to play football ______ he was seven years old.

--I want you to tell me details of the accident.
--Sorry,       Jack ____ I know about it. You can ask the old man.
A. both ; and                 B. either; or            C. neither; nor