You are under 18 years old, so it is        for you to join the Trailwalker.

----Why are you so _______,Amy?----I thought I lost my purse, but I didn’t. I found it in my study!

Now the train service is very good. The trains are _________on time.

She didn’t write _____.So she didn’t pass the test.

—What do you think of your new friend Annie? —She’s a top student(好学生). But she is            at sports than me.