Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 26 to 30.

As the Covid-19 pandemic is becoming more complicated, resulting in a (26) __________school break for all students in Vietnam, many schools turn to the e-learning method as a sensible alternative. Vietnam Posts and Telecommunications Group (VNPT) is providing educational institutes in (27) ______ areas with its E-Learning platform at no cost until the end of the academic year 2019-2020. Teachers can access this platform to transform their current lesson plans into the electronic version. They can also monitor students’ learning process, check attendance, and have learners sit exams. (28)__________, parents can access the website to check their children’s learning process as well. Additionally, VioEdu by FPT Group is one prominent online learning product (29) _______ makes use of AI to offer subscribers more than 500 exciting video lessons, along with a large quantity of exercises, online tests. It aims at making the learning and evaluation process more convenient for both teachers and students with features to assign tasks, mark them, and prepare a corresponding academic report. One week after the product allows free (30)_________, students in all 63 provinces of Vietnam eagerly sign up for an account and nearly 8,000 school are now using it to deliver lessons to their learners.