i am () Room606.A:at ,B:on c:in D :behind

i am () Room606.A:at ,B:on c:in D :behind I am at school 还是 I am at a school I am a 什么 at willow school. ·(英语翻译) i am at a cafe I am at my “I am at i am at help~ I am a( )I have left my key at home I usually take a shower at five am .对at five am 提问 I am a------ my parents are not at home 改错At presently I am a senior high school student I am qnite at a loss what to I am at a new school now(同义句转换) am,a,i,good,student,school,at连词组句 I am at a loss for ouraffection什么意思啊.. I am just a ribbit at football.如题. I am at a meeting.其中at a meeting的句子成分 I am at a meeting.其中at a meeting做什么句子成分 I am good at it.