Exercise 1: Read the following text and decide which answer best fits each numbered blank. LIFE ON THE MOON In the (1)___________, people will build houses on the moon. The best place for houses in a moon town will be underground. (2)___________ houses will be safe, and the (3)___________ will not be very high during daytime (4)___________not very low at night. Moon homes may be balloons with oxygen, and people will wear oxygen masks when they are away from home (5)___________ the moon has no air around it. The house (6)___________beds, tables, and chairs, so people will sleep, eat, and work in their home. Moon-house building will be easy. 1. A. future B. past C. moment D. present 2. A. Smart B. Float C. Underground D. Space 3. A. humid B. temperature C. rainfall D. wind 4. A. and B. or C. but D. so 5. A. but B. however C. and D. because 6. A. might have B. can have C. has D. is having