问题
填空题
单词拼写。
1. Beg p_____, I didn't quite catch your meaning.
2. Disco music usually has strong b_____ to it.
3. She went upstairs to f_____ some newspapers.
4. Mr. Zhang _____ (举起) his hat and smiled at us.
5. How beautiful your bedroom _____ (天花板) is!
答案
1. pardon 2. beats 3. fetch 4. raised 5. ceiling
，正电荷
，正电荷
，负电荷
，负电荷