I suppose they must be trying out new ideas in the lab,_____

I suppose they must be trying out new ideas in the lab,_____ I suppose they must be trying out new ideas in the lab的反义疑问句 Tom never gave up.he was()trying out new ideas He is always(trying)out new ideas.为什么不是tries? i suppose _ must be one of the children excited,a,must,in,house,they,be,to,new.组词成句、、、 they must be at home -there's light _____ in the bedroom A t I guess the lord must be in the New York city 歌词 She is always trying out new ideas ,为什么动词是ing形式? is __the other children ,he is always trying out new ideas. who is knocking at the door?i suppose------must be bob.A.the I saw he went into the room.He must be in the room,_____ 反义疑