Standard English Conventions Usage Mock Tests

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.

By the time the first written constitution was adopted in 1791, many American colonies ______ already established forms of self-government through their colonial assemblies. Which choice completes the sentence so that it conforms to the conventions of Standard English?

The committee members ______ aware of the potential conflicts of interest, yet they proceeded with the vote anyway.

The new library, ______ was designed by a renowned architect and features sustainable building materials, opened to the public last month. Which choice completes the text so that it follows the conventions of Standard English?

The data scientist noted that the correlation between social media usage and sleep deprivation ______ r = 0.73, p < 0.01, indicating a strong positive relationship that was statistically significant. Which choice completes the text so that the underlined portion follows the conventions of Standard English?

The experiment, ______ conducted over a period of six months, yielded results that surprised even the lead researcher.

The librarian handed the rare manuscript to ______ for careful examination. Which choice completes the sentence so that it conforms to the conventions of Standard English?

By the time the first humans set foot on the Moon in 1969, scientists ______ the properties of the lunar surface through decades of observation and robotic missions. Which choice completes the sentence so that it conforms to the conventions of Standard English?