Choose the best answer.

People from two different places can send _______ to communicate with each other by using a messaging app.

Choose the best answer.

The students in this online class are not allowed to _______ social media while they are having a virtual lesson.

Choose the best answer.

The first-year students can take ______ an online course ______ an in-person course for this semester.

Choose the best answer.

Choose the best answer.

According to the school rules, students _______ bring their smartphone to school except for their online classes.

Choose the best answer.

To study online, students have to own a tablet or laptop connected to the Internet and make sure that the device is fully _______ before each lesson.

My sister is really interested in _______ software engineering and marketing, but _______ them sound great to me.

Find the mistake.