Things(change) .......... a lot of for the last some years.
Jane is expecting a letter from me, but i ......... (not/write) to her yet.
Last night she .............. (not sleep)at all. She ........(have) a lot of work to do.
The Second World War..............(break) out in 1939.
Is Tony a good friend of yours? How long you........(know) him?
Jack is living in spain now, and his spanish ................(improve) greatly since he..........(move)there.
What you..............(do) at weekend when you......(be) a little boy>
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