完形填空。

　　Jim and Robert work in the same factory. They live in the same 　　1　　, too. Jim's room is on the seventh floor and Robert's is on the 　　2　　. They often go to work together in the morning. They usually have 3　　 in the same restaurant at noon. After 4 they go home together.

　　Robert likes to 5 music. So he bought a radio and 　　6 it on when he's at home. It is so loud that Jim can 　　7 it in his room. He likes reading, but the noise often makes him close the 　　8　　. It's very hot in the room, he has to stop 　　9　　 and goes out for a walk.