Read the text again and for each gap (1-7)
choose from the sentences a-h the one which
best fits each gap. there is one extra sentence.
a the idea isn't without its problems though.
b however, that doesn't mean we won't be able
to do it soon.
c these are long gone.
d we are already using too much of our farmland.
e "with about 160 of these buildings, you could
be feeding all of new york," he says.
f the idea is actually very simple.
g they will be powered by solar and wind energy.
h on one floor there will be lettuce, on the next
carrots, and so on.​

93angela93    1   06.12.2019 10:25    156