规则
Do not put a single comma between a subject and its verb, a verb and its object, or a preposition and its object.
主语和谓语之间、动词和宾语之间、介词和宾语之间不能只放一个逗号。
✔ 正确： The scientists who led the project published their results.
✘ 错误： The scientists who led the project, published their results.
→ 改正： Remove the comma between the subject and "published".
技巧: Find the main subject and verb. A single comma between them is always wrong.
练习：10题
Which choice completes the text so that it conforms to the conventions of Standard English?
由AUSLEX原创的讲解和题目，并非College Board官方资料。SAT是College Board的商标。