A.It increased the students' white blood cell count. B.It increased some students' energy level. C.It improved the students' ability to play musical instruments. D.It released a natural painkiller in some students' bodies.
【单选题】Hi, I’m Bob. My mom asked me to go shopping with her. I hate it! Shopping is so boring. Look at the long list: twelve eggs, two kilos of pork, a box of butter, some chicken, a jar of jam...My mom said...