What a surprise it is that you’ve hiked on Mount Tai! — I didn’t believe I could do it _____ I got to the top.

What’s wrong with Mary- She’s______ at her sister’s bad behavior.

______ are you going to Guangzhou— I’m taking the plane.

My uncle’splane ____. Let’s wait for him here.

Lucy isn’t in the classroom. Where is she—She _________ to the playground.