The classroom is so clean,Someone __must____ clean it just now.为什么用must.just now是表过去啊

连词成句me the window let clean is in what classroom the big is so new classroom our Every student is out.so there is n_____ in the classroom怎么填? The sunshine comes t____ the windows,so our classroom is very bright. the backboard is()()()()the classroom The classroom is so clean .I wonder who （）（sweep）it 动词填空.. 时态填空 -The classroom is so clean.When__you___it(clean)it?-We cleaned it twenty minutes ago. Li Lei is tall;I am short.So he sits_______me in the classroom.介词 I'm tall,lingling is short,so in the classroom,I sit( )her.填什么. 连词成句(1)me the window let clean (2is in what classroom the (3big is so new classroom our our classroom is ( )the second floor.A.forour classroom is ( )the second floor.A.for B.but C.so D.or 求分析 The classroom is ____ clean ____it was yesterdayA as as B so as C not so;asD more than let is clean the classroom? is in the classroom翻译 The classroom is so dirty that we can't study in it.（保持原意）The classroom isn't ______ ______ for us to study in it. There is so much noise in the classroom( )I leThere is so much noise in the classroom( )I leave to go to the library.是填That还是This? one the students is in the classroom the library is (next to the classroom) The classroom is so clean,Someone __must____ clean it just now.为什么用must.just now是表过去啊