II. Vocabulary and Grammar. (40 %)
Multiple Choice Directions: In this section there are some incomplete sentences. For each sentence there are four choices marked A, B, C and D. Choose the ONE answer that best completes the sentence. Then type the corresponding letter in the blank on the web page.
1. The nation's ______ earnings in 1987 amounted to £ 86 billion.

A、disposal
B、dispose
C、disposable
D、disposed