A temporary camp without tents or cover used especially by soldiers or mountaineers
The correct answer is probate.
Probate is the term for the procedure in which a will is proven valid. Once proven valid, the will becomes a public document. After probate, a valid will is recognized as the deceased's last will and testament.
The subordinate clause in this sentence is 'Since I stopped vacuuming', and it is used as an adverb in this sentence, the adverb of time.
Number 7 is b to put side by side