Unit 1 Hello! Part B习题 一、单项选择。( )1. -Hello! -_ A. Hello! B. Hi! C. Ha!( )2. -Goodbye, Miss White! -_ A. Bye, Mr Black! B. OK! C. Hi!( )3. -Whats your name? -_A. My name is Sarah. B. Goodbye, Sarah! C. Bye!( )4. -I have a book. -_ A. Hello! B. Me too! C.OK!( )5. -Lets play! - _A. Bye! B. Goodbye! C.OK!二、在四线格上写出正确的单词或句子。1. eraser 2. sharpener3. crayon 4. hello5. Goodbye!6. Show me your pencil.