There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer sheet.
6. ----Bradford graduated from college with honors at a very young age. ----He _____ have been an outstanding student. A must B could C should D might
发布时间：2025-09-06 07:39:07
