repeat three times是repeat it for three times的缩写吗?repeat it for th_数学解答

repeat three times是repeat it for three times的缩写吗?
repeat it for three times 为什么也可写成repeat it three times
介词for也可以省吗？

人气：461 ℃　时间：2020-04-12 03:19:10

解答

前者是口语化```后者是书面语```
都是可以的```
老外比较懒``能省就省```