答案：We go home at five in the afternoon.
解析：pm 就是下午的意思,所以同义词组是in the afternoon
翻译：我们在下午五点回家.it's time for a break.=it's time_____ ____a rest.it's time for a break.=it's time ( to ) ( have ) a rest. have a rest 休息一下a break 也是休息的意思