根据短文内容及所给首字母，将正确的单词写在答题卷上
   James works in a food shop. He helps the shopkeeper. He puts f____  on the shelves every day. Then people come into the shop and buy the food. Today there aren’t any bags of flour(面粉) on the shelf.“James,” says the shopkeeper. “We n____  some flour. Bring some bags of flour to the shelf. Hurry up!”
   James runs to get some bags of flour. They are in another room and they are on the top shelf. The shelf is high up. James is tall b____ he can’t reach the bags.
   James bring two boxes and puts one b____  on the other. Then he stands on them. Now he c____  reach(够到) the bags on the shelf.

①同窗五载的情谊，我们不能忘记。

②21世纪图书馆的大门不会关闭。

不等式组 的解集是____．