After the cabinet has reviewed it. B. After the U.S troops have pulled out. C. After all parties have agreed on it. D. After they returned from Mecca.
A. By mid-2011. By the end of 2009. C. By mid-2009. D. By the end of 2011.
A. To set up a moon colony by 2020. B. To send astronauts back to the moon by 2020. C. To continue the current shuttle missions till 2020. D. To creat more jobs for NASA till 2020.
A. There were more important space missions. B. the space agency lacked technology for the programme. C. The current shuttle missions would continue. D. Congress failed ti pass president Obama's budget.
A. Electricity shortage. B. Food shortage. C. The heavy burden of studies. D. Overtime exposure to sunlight.