【正文】
s difficult _____your sound because the noise is too high. A. to listen B. to know C. to learn D. to hear ( )19. He says ____he will be back soon. A. when B. what C. that D. where ( )20. He told a very ____story about his life in America. A. live B. living C. lively D. life Ⅱ 、 Complete the sentences with the given words in their proper forms.(用括號(hào)中所給單詞的適當(dāng)形式完成下列句子 )(共 6分) 1. The boy is __________ six. So he is old enough to go to school. (age) 2. He was ________ at me when I suddenly went into his room. (amazing) 3. I was late this morning. I am ________ sorry for it. (awful) 4. The fish has a lot of ________ in it. You should be carefully. (bone) 5. The leaves on the trees are ________ green in spring. (brightly) 6. Wo