选出不属于同类的单词。
Kate was at home. She was _________ her brother. A. looking afterB. looking atC. looking
What would you like? ______________. A. Two box of chocolates B. Two cans of colaC. A milk
What happened ________ Lili? A. to B. in C. for
She got a haircut at the _________. A. shop B. bookstore C. hair salon
How do you play the piano? I have to ________ it. A. blow B. press C beat