Tom is really a polite boy. He ________ “Good morning" to every teacher every day.
—Excuse me. may 1 know your_______? — Sure. It's No. 3. Bridge Street.
Hundreds of students came to Shaoxing to work _______ the World Choir Games in 2010,
—_______is your husband? — A cook. He works in a restaurant near our home.
A lot of trees ______ on the hill yesterday.