1. 你想知道今天的日期，要问：________      

A. What's this?    
B. What's the date?

2. 你想知道别人的生日在什么时候，要问：________     

A. What's the date?    
B. When is your birthday?

3. 你想告诉妈妈星期四是一周的第五天，应该说：________       

A. Friday is the fifth day of the week.    
B. Thursday is the fifth day of the week.

4. 你想告诉别人，李明得了第一，你应该说：________     

A. Li Ming is the first.    
B. Li Ming is one.