1Complete with one word.
3Complete with one word before a past-time clause.
4Complete with one word before the adjective.
7Complete with one word after a ‘no sooner’ clause.
9Complete with one word meaning ‘not before’.
10A gap comes directly before the word ‘been’. Explain how you decide what to write.
One good answer
Been belongs to a perfect or a perfect passive structure, so the gap almost certainly wants have, has or had. I check the subject for agreement, then the time words: a present reference such as since or so far gives has or have, and a past reference point gives had.