听对话和问句,选择正确答案。对话读一遍。 ( )1. A. On business ( )2. A. writing with ( )3. A. In 1879 ( )4. A. Not good at grammar ( )5. A. The TV B. On trip B. drinking B. In 1897 B. can’t write good composition B. The computer C. On picnic C. launching satellites C. In 1876 C. forget new words easily C. The light bulb