Part II Language Knowledge (45 marks)
Section A (15 marks)
Directions: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the one answer that best completes the sentence.
21. Zhuzhou ______ a sharp increase in the number of blood-donating volunteers in the past few years.
A．has seen B．saw C．has been seen D．was seen
22. She left earlier than usual, but never expected that she would miss the last train. ______ that, it started raining cats and dogs.
A. On top of B. Regardless of C. As a result of D. Despite
23. I often wonder ______ that leads to our happiness, material abundance or spiritual richness.
A．how it is B．what it is C．who is it D．why is it
