B. EXERCISE I. LEXICAL AND GRAMMAR I. Find the word which have a different sound in the underlined part. 1. A. wireless B. drip C. picture D. rubbish 2. A. thirsty B. throw C. theme D. there 3. A. fear B. repeat C. idea D. really 4. A. lamp B. play C. stay D. crazy 5. A. cave B. famous C. late D. channel II. Complete the following sentences in a way that their original meanings do not change. 6. My new school has a computer room and a large playground.  There ………………………………………………………………in my new school. 7. She is a girl with long hair. She …………………………………hair. 8. It is essential that you do your homework before going to school.  You must ..........................................................going to school. 9. The Amazon river is wider than all the other rivers in the world.  The Amazon is the ……………………………..……………the world. 10.She studies hard or you will not pass the exam If she…………………………………………………………………….