1. Did you enjoy the movie about ______ (live) on the Mars (火星).
2. David Smith with his brother______ (hang) out their best friends during the vocation.
3. We ______ (visit) the Summer Palace last Summer holiday.
4. Can you see a boy ______ (lie) on the ground?
5. —When ______ she ______ (join) the national football team? —5 years ago.
6. He ______ (become) a professional soccer star when he was twenty-two.
7. He ______ (visit) China when he was fourteen years old.
8. The little boy could sing some difficult and beautiful ______ (piece) of music.
9. How long did you spend ______ (finish) ______ (write) this novel?
10. There ______ (be) a class meeting next Monday.

1. We _______ (have) a meeting at that time.
2. My mother said she _______ (leave) for Shanghai in a few days.
3. When I got home, my mother _______ (cook) dinner.
4. By the end of last year, we _______ (learn) 2 000 English words.
5. He said that he ________ never _______ (see) such a beautiful picture before.
6. —Can I borrow the book, please?
    —Sorry, I _______ (not finish) reading it. I _______ (give) it to you next Monday.
7. Yesterday I told Mum that I _______ (go) on a trip to Yan'an.
    Mum said that she _______ (get) me a new backpack (背包).
8. We all knew that there _______ (be) a math exam in a few days,
    but nobody knew on which day it _______ (be).
    The teacher _______ (say) that we _______ (be) able to pass it if we _______ ( review) our lessons well.
9. The teacher _______ (finish) her class when we got there.
10. The hotel _______ (be) filled by the time they called.