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! Astronauts didn't like this. In the 1990s, new (serve) in tubes like toothpaste. (design) by scientists and new (invent). Nowadays, space food tastes much better. It (dry) and carefully packaged, and modern containers are much better than the ones which containers ? methods for preserving food ³ 4. (use) by astronauts in the past. The containers (place) on special trays and the food (eat) with a fork and spoon. Water 8 containers, too. The containers 9 (open) with scissors and the water 10 6. (keep) in special -(drink) with a straw.​