Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.

Because of their high prices, interaction whiteboards are not common nowadays.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

I think online learning will be the future of education and students will attend ______________ classrooms instead of going to school.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

One important advantage of online courses is that they offer ______________ classes. People can decide when to learn.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

People should ______________ a reminder for daily study when using learning apps.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.

Ben is interested in information technology and he usually listens to podcasts in this topic.

The word “appreciation” is CLOSEST in meaning to ______________ .