TOEFL - Writing Mock Tests

Which revision of the underlined portion best eliminates the wordiness of the sentence? "In the opinion of the researchers, it is their belief that the findings are significant." (underlined: "In the opinion of the researchers, it is their belief that")

Identify the sentence that contains an ERROR:

Choose the word that best fits the academic tone of the sentence. "The study ______ that regular exercise significantly improves cognitive function in older adults."

Which sentence best summarizes the following passage? "The proliferation of digital media has transformed how information is consumed, but this shift has also raised concerns about the depth of engagement. Studies indicate that while readers can scan digital content more quickly, they often miss nuanced arguments that require sustained attention."

Identify the sentence with the correct use of a comma:

Read the argument and identify the WEAKNESS in the reasoning: "Online education has become increasingly popular. Therefore, traditional classroom instruction is becoming obsolete."

Choose the best word to replace the underlined portion: "The study's limitations are worth noting."

Choose the option that best completes the sentence. "The ______ of the contract was disputed by both parties, leading to a lengthy legal battle."