Unit 4 Part B 第二课时(Let's learn-Let’s do)一、听录音，选择你所听到的句子。（ ）1. A. Is it on your desk? B. Is it under your desk? （ ）2. A. Look! My car is in the box. B. Look! My box is on the chair.（ ）3. A. Mum, where is my pencil? B. Maybe it’s in your desk. （ ）4....
