I'm sorry, I can't come to the show. I only have a little time tonight. 

I'm sorry, I can't come to the show. I only have little time tonight. 

The speed limit is seventy miles an hour here. 

The speed limit is seventy miles per hour here. 

Fill in the blanks with the BEST choice: I need ___ pen, George. I don't care what colour it is. 

Fill in the blanks with the BEST choice: George, give me back ___ pen which I gave you last week. 

Between the two of us, he is a better writer. 

Between the two of us, he is the better writer. 

Which option makes sense?