Questão de Língua Inglesa

Choose the option that correctly completes the text below, respectively. Thanks to ____ team of sniffers, led by George Aldrich, astronauts can breathe a little bit easier. Aldrich is the "chief sniffer" at the White Sands Test Facility in New Mexico. ____ job is to smell items before they can be flown in the space shuttle. Aldrich explained that smells change in space and that once astronauts are up there, ____ stuck with whatever smells are onboard with them. In space, astronauts aren't able to open the window for extra ventilation. He also said that ____ important not to introduce substances that will change the delicate balance of the climate of the International Space Station and the space shuttle. This is even more important to the ISS astronauts than it was to the Apollo astronauts in ____.