单项选择题
A. Print materials for visitors. B. Study referential reports. C. Ask Sally to make arrangements. D. Apply to the chief executive.
A. On the Fourth Avenue. B. On the Third Avenue. C. On the Fourth Street overpass. D. On the Third Street overpass.
A. Because we have made up our minds to do so. B. Because we want to fulfill our desire for knowledge. C. Because we want to enjoy the ecstasy of achievement. D. Because we cannot help ourselves.