20171203
876. Turn up your radio please. 请你把收音机开响一点儿。
877. We can't get good pictures on our TV set. 我们的电视机图象有问题。
878. Can this radio receive short-wave? 这个收音机能收短波吗?
879. If you install an outside antenna, you will have better reception.
如果你安装了室外天线,你的电视接受效果会好点。
880. Turn down the radio please. 请放低音量。