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

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On . a) They3. a) Look at the sentences from the conversation above andcomplete the gaps. Then liste...
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