9．听第14段材料，回答第15至17 题： 15．What's the boy's first problem？ A．He forgets a lot of new words． B．He doesn't get much writing practice． C．He can't get the pronunciation right． 16．What's the girl's advice？ A．Watch English-language TV． B．Join an English-language club． C．Ask the teacher for help． 17．What can help the boy a lot to understand the teacher？ A．Listening to more tapes． B．Study by working with a group． C．Practicing conversations with friends．
