大学英语复习资料第一部分 用正确的语法形式或词汇填空。 从A, B, C, D四个选项中选出一个最佳答案,并将答案的字母写在答题纸上。 1. American people are not very happy on April 15, when the federal taxes are _. A. high B. near C. close D. due2. Some language learners find _ difficult to succeed in other fields of science. A. that B. so C. it D. them3. Animals can live only on _ plants have already turned from inorganic to vegetable matter. A. that B. whic