Standard English Conventions Usage Mock Tests

In this excerpt from a news article: "The new traffic law, ______ was passed by the city council last month, aims to reduce accidents in school zones by lowering the speed limit to 15 miles per hour during school hours." Which choice completes the text so that it follows the conventions of Standard English?

The students in Dr. Martinez's biology class conducted an experiment to test the effects of fertilizer on plant growth. Each student recorded ______ results in a lab notebook. Which choice completes the sentence so that it conforms to the conventions of Standard English?

By the time the Civil Rights Act of 1964 was passed, civil rights activists ______ decades of legal challenges, protests, and organizing to dismantle racial segregation in the United States.

The collection of rare manuscripts, including a first edition of Jane Austen's 'Pride and Prejudice' and an original copy of Charles Dickens' 'A Tale of Two Cities', ______ in the university library's special archives.

Read the following sentence: "The committee, _______ had debated the proposal for three hours, finally reached a consensus at midnight." Which choice completes the text so that it conforms to the conventions of Standard English?

The following sentence contains an error: "The data shows that the majority of the participants enjoyed the program, but the remaining participant did not." Which version of the underlined portion corrects the error?

Each of the contestants must submit ______ entry form by the deadline.

The jury ______ unanimous in their decision after deliberating for only two hours.