Is this your pen? —No, it isn’t. It’s pen.

The children have six ______ classes every weekday.

Where will Alice sit?—-The seat next to Kenny’s is _________.

Excuse me, sir. Here’s a package for Lin Tao. Which room does he live in?—————.

The books are so nice. Which one can I take?—Oh, you can take __________ of them. I’ll keep none.