Definition: a mark (,) used to separate parts of a sentence, or to separate the items in a list Level: B1
在他的名字前加一个逗号。
Put a ___comma before his name.
记住在引导短语后使用逗号。
Remember to use a ___comma after introductory phrases.
一个逗号可以改变句子的意思。
A ___comma can change the meaning of a sentence.
