1. I think we will find another habitable planet in 15 years.
2. ...transmits live images of the speakers with a webcam or camera on smart devices: C. Video call

Điền vào chỗ trống:

1. Try to avoid using single-use products.
2. What were you doing at 8 o'clock yesterday morning?
3. It is exciting to discover ethnic groups in the northern part of Vietnam.
4. The shuttle bus leaves every 15 minutes to take customers to the parking lot.
5. Don't worry. I have made a shopping list, and you just give it to the shop owner.