【正确答案】正确答案：Mr. Huang was old. People addressed him as "Respected Mr. Huang". Being old, he easily got tired and could not help it. After supper, having watched some news on TV, he began to feel sleepy, so he went about washing his face and feet before going to bed.

【正确答案】正确答案：Suddenly the doorbell rang, announcing the arrival of a visitor. As Mr. Huang had never refused any visitor before, this one should be received with courtesy as well. Quickly putting his socks back on and smoothing his hair, he hurried to the door.