B. Read the following passage and fill in each blank with a suitable word or phrase from the box. There is ONE word/phrase that you dont need. observe move space station lock spacesuits floats A DAY IN SPACE Life in space is not the same as life on Earth. Astronauts can live and work in the (1) ____________ for months. Every day, they get up, get dressed and have breakfast. Eating in space is interesting. Everything (2) ____________ around because there is no gravity. Space food is always dried and is put in small box and bags. After breakfast, they start working. Their job is to (3) ____________ the planets or take photos. Sometimes, astronauts need to go outside the space station. They call this spacewalking. They have to wear (4) ____________ when they go for a spacewalk. After work, astronauts have to spend 2.5 hours doing exercise, so they can maintain their muscles and fitness. Finally, they go to bed. Its difficult to sleep because astronauts cant lie down. They have to (5) ____________ their sleeping bags to the walls.