You will hear Trang talking about her favourite electronic device. Listen and choose the correct answer A, B, or C.

 

1. In Trang's opinion, cleaning the floor _______.

A. is an easy and interesting task

B. is boring and takes a lot of time

C. can only be done by housekeepers

2. Trang's current robotic vacuum cleaner can clean _______.

A. almost every dust, spot, and dirty mark in her house

B. only dust, spots, and dirty marks that we can see

C. dust, spots, and dirty marks under human control

3. If you drop crumbs to the floor, robotic vacuum cleaners of the future will come by and _______.

A. wipe all of them with a rubber

B. suck them all up

C. remind you to clean them

4. In the future, laser technology will enable robot vacuum cleaners to _______.

A. get to any floor or room in our houses

B. climb stairs and open doors or drawers

C. see everything on the ground