用括号内所给词的适当形式填空。
1. My teapot is empty. Who_________(drink) all my tea?
2. Mr Green _________(live) in China since five years ago.
3. —Where is Mr Green?
—He ________(go) to London.
—When ________he _________(go) there?
—Last Sunday.
4. I won't go to the movie tonight. I _ (see) the movie already.
5. How many times __________you ever _ (travel) abroad?