第 77 课: 使用更多的介词：在...上面（上方），在...下面（下方）等-5

Many people are riding bicycles. 很多人在骑自行车

Only a few people are riding bicycles. 只有几个人在骑自行车

Only one person is riding a bicycle. 只有一个人在骑自行车

Nobody is riding a bicycle. 没有人在骑自行车

Only one of these telephones is red. 这几部电话中只有一部是红色的

Only one of these telephones is being used. 这些部电话中只有一部在使用

Most of these guns are leaning against a wall. 这些枪大多数靠在墙上

None of these guns are leaning against a wall. 这几支枪全都没靠在墙上