4 Complete the text about food in space with the correct form of the verbs in brackets.
Life on the International Space Station isn't easy.
There is no gravity, which makes simple tasks
like eating and drinking quite difficult. In the past,
space food '_ (serve) in tubes like toothpaste.
Astronauts didn't like this. In the 1990s, new
containers 2___ (design) by scientists and new
methods for preserving food '_ (invent).
Nowadays, space food tastes much better. It
(dry) and carefully packaged, and modern
containers are much better than the ones which
(use) by astronauts in the past. The containers
(place) on special trays and the food?
_ (eat)
with a fork and spoon. Water 8 (keep) in special
containers, too. The containers 9
(open) with
scissors and the water - (drink) with a straw.
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