They work in an office 意思为 他们在办公室工作 为什么加They work in an office 意思为 他们在办公室工作 为什么加an而不是a?

They are workers.They work in an office.同意句转换答句是they are___ ___ we______in a bank.they work in an office.英语题：we____in a bank.they in an office. They are office workes.They work in ___offic.A.a B.an C.some D.all They will finish their work in half an hour.(对划线部分提问,划 in half an hour） They work in that restaurant.(改为否定句) We need an actor today.(改为一般疑问句) they work in a school? ()() they()? They work in an office .They are o____ workers.根据句意及首字幕提示,完成下列单词. They work in an office 意思为 他们在办公室工作 为什么加They work in an office 意思为 他们在办公室工作 为什么加an而不是a? They work in Beijing Hospital.(特殊疑问句) They work in a factory_____makes radio parts. They work in Tianjin(改否定句) They workers,and they work in the factory They work in a store,they are s__? They work in a factory_____makes radio parts.They work in a factory_____radio parts are made.急 首字母的 They both work in o---- in China They work in Tianjin Hotel(对in Tianjin Hotel提问) They work in a hospilal(对 in a hospilal提问) 英语翻译they overlooked serious personality conflicts in the expectation that marriage was an automatic way to make everything work out right.