Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
Space leisure
For most of their time in orbit, astronauts are fully ___(1)___ with repairs and scientific experiments. But time for relaxation and recreation is essential. To reduce boredom, homesickness and isolation, astronauts are ___(2)___ to receive a weekly video telephone call from home, as well as daily email messages.
If boredom ___(3)___, there are plenty of windows from which to admire the ever-changing ___(4)___ as the International Space Station orbits the planet every 90 minutes. The crew enjoy searching for familiar landmarks, watching lightning flashes, and waiting for one of the ___(5)___ sunrises and sunsets.
There is a wide choice of leisure activities ___(6)___ crew members are ___(7)___ to take along their personal choice of entertainment. These range from chequers or chess sets to books and CDs or their own instruments.
Time ___(8)___ and bond together is essential for any crew. Meal times are generally set aside for periods of friendly get-togethers, and evenings often ___(9)___ the crew settling down to watch the ___(10)___ DVD movies.