Part I Vocabulary and Structure (20 points)
Directions: In this part there are 20 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 mark the
best choice and mark the corresponding letter on the Answer Sheet with a single line through the
center.
1. It is reported that a (n) ______of accidents has occurred at that crossroads.
   A. series      B. lot       C. number     D. amount
2. If someone is in th ...