Correct the mistakes in the following sentences. 1. Hoping to achieve higher test scores, SAT and other standardized tests are sometimes taken by one top performing student for other students. 2. E mbarrassed by the widespread cheating , tiger rules have been introduced by the testing companies . 3. R equired to upload verified photo ID pictures when they register and take the exam , th e testing companies have s et strict er identification standar ds for students . 4. S tored in databases, high school and college admissions personnel can access the photos . 5. C heating on the SAT and ACT, the new rules have made it harder.