We will run out of the food in a week.(改为同义句）

eat up
rise up
since arrived

We will run out of the food in a week.(改为同义句）
We will (use/eat ) the food (up ) in a week.
Please raise your hand.（改为同义句）
Please (rise ) (up ) your hand.
We have been here for just a week.改为同义句）
It is just a week (since ) we (arrived ) here.