lucy is the b___ student in our class she always works hard at her lessons

lucy is the b___ student in our class she always works hard at her lessons The goldfish is every b___? This is the b___ of the game The population of China is 1.3 b___ ABC is the b___ of learning English The music is b___ and lively the air here is very b___ B___ is the opposite of top The b___ problem of the world is the interesting population The computer game is b___ the desk and the chair The computer game is b___ the desk and the chair Be careful!The water on the fire is b___ now Where is Lucy?还是Where is the Lucy? The old man has no hair.He is b___. She is always b___ with her word in the hospital There is man standing at the b___ of you. ABC is the b___ of learning English朋友们啊 This is his pen,The pen b___ to him