Directions: 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. ______ the look on his face, he wasn't satisfied with their performance.
Today there are ()computers in our homes and offices than there are people who live and work in them.
免费的网站请分享给朋友吧