3. a) Look at the sentences from the conversation above and complete the gaps. Then listen again and check.
a) They
use special robots.
b) People
do something to solve this problem.
c) I think people. use more intelligent drones.
d) People
use drones for that.
e) People work on the farms as hard as they do now​

Cloud22    3   26.01.2021 17:24    12