Since last August

Since last August Since last August ,the old lady____(have)had headaches three Since last week, not since last summer I ____him since last year last year怎样用since回答 I____the CD since last month It_______ten years since we last it is the last of august today.it is grandfather My spoken English has since I came to this school in August. he has been in english since last It____years since I saw you last time