A middle-aged woman with a knapsack on her back seemed to be looking for a place to sit down. ✬

Tom closed the magazine and put it into his knapsack. ✬

Tom unzipped his knapsack. ✬

Is that your knapsack? ✬

Tom reached into his knapsack for a flashlight. ✬

Tom grabbed his knapsack and left the room. ✬

Tom packed some essentials into his knapsack. ✬

Tom still has the knapsack his father gave him. ✬

Tom took a book out of his knapsack and started reading. ✬

Tom slept under the tree, using his knapsack for a pillow. ✬