A. They can lower your score.
B. They help familiarize you with the test format.
C. They are not useful.
D. They only help with grammar.
Answer: They help familiarize you with the test format.
What is the benefit of taking practice TOEFL tests?
Additional Information: Practice tests are useful for getting accustomed to the timing and format of the TOEFL.
Subjects: TOEFL, Test Preparation