They had a good time in Beijing. 改为同义句

they enjoyed themselves in beijing.他们在北京玩的开心。have a good time =enjoy oneself这两个是同义词组，可以互换。 举例： 1 We can just hang out and have a good time. 我们可以只是闲逛一下，开开心。 2 Compared to people living only a few generations ago, we have greateropportunities to have a goo