They are at a meeting(改为同义句) She has to babysit her little brother.(改为否定句）

they are sitting at a where are they I think they are at a ()()一空一词 They are at a came ing site.对They提问 They are at a camping site.为什么用at ,可不可以这样,They are a camoing site. 英语翻译if you are asked to meet a foreign guest at the airport or at the railway station and you go so late that the guest has come before you arrive,how anxious and embarrassed he will be when he,as a stranger to the place,sees no person meetin They are They are --- at home after walking a long way A relaxing B relaxed they,a,going,restaurant,eat,to,at,are,(.) 连成1they,a,going,restaurant,eat,to,at,are They are looking ( )us.A.at B.of C.for They are at a very good price.(改为同义句) They are excited______the party.A.at B.on C.after 连词成句 they a site at are camping They are _ the woods.They are _ the woods. A.in B.on C.at A:()?b:they are at the restaurant.A:( )B:they are having dininer.A:do they like the food?B: They should__school by eight o'clock.A are B be at C are at D be They are having a good time at the party now.（改为同义句） They are( ),( )at the party now. What are they good at? They are at the bus