使用逗号分隔枚举中的项目。 Example: Old McDonald had a pig, a dog, a cow, a horse. “and&rd
2019-07-05
在两个主要子句之间使用逗号,这两个子句用and或者or分隔。 Example: We ran out of fuel, and
2019-07-05
如果if子句位于句子的开头,请使用逗号。 Example: If I go to London, I will visit the Tower.
2019-07-06
在引言从句之后使用逗号。 Example: She said, “I was in London last year.” 如果
2019-07-06
如果附加信息不是主语句的一部分,请使用逗号。 Example: Thank you, ladies and gentlemen, for
2019-07-14
使用对立面的逗号,即使它们被and/or分开。 Example: It was the father, and not the son, who went t
2019-07-14
2019-04-15
After school one winter day, Jack's mother told him to go out and play in the snow. "But it's so col
2019-04-15
2019-04-15