You bought a sire card from a company the day before yesterday, but when you went home and you found that it didn’t work. So you write to the director of the company and express your complaint.
Marks will be awarded for content, organization, grammar and appropriateness.

A. increase
B. rise
C. improvement
D. inclination

A. there is little for astronomers to discover now
B. the public has no interest in astronomical discoveries
C. astronomers have been making a lot of discoveries of planets
D. the discovery of planets is as important as the launch of space shuttles