根据句意及首字母提示完成单词。 1. The c________ of one floor is the floor of the next one above. 2. The teacher asked me to f_________ a c hair from the next room. 3. Remember to r___________ your hand if you have any questions to ask. 4. I'm sorry. I beg your p _________. 5.Rock music is well-known for its strong and fast b_________.