用所给词的适当形式填空。 1. Look! Whose ______ (Walkman) are these? Perhaps they are the twin's. 2. Is there an ______ (electric) shop in your town? 3. Amy wants to buy some presents for ______ (they). 4. Do you understand the ______ (mean) of the new world? 5. Do you like to have cold ______ (drink)?