I called you yesterday but no one answered.— Well, Maybe I in the garden at that time.
Never _____ old _____ learn.[ ]
Two Xiaogan Evening Papers, please!— Sorry, sir. Only one left. Would you like to have ______?
In my mind, no such_______ thing in our country as_______ Great Wall can represent the image and culture of China.
Helen often ______ a lot of time listening to music.