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
—May I speak to Tom?
—Sorry, he isn’t in now. What’s up?
—___.
—Sure, go ahead.
A.May I take a message for him?
B.May I leave a message?
C.Hold on, please.