Only then ___ what his mother saidAdid he understand B he understood C does he understand Dhe understands

Only then ___ what his mother saidAdid he understand B he understood C does he understand Dhe understands only then 还有 then If only i knew then what i know now My little brother ___(想知道)What happened then 完成句子.1.She is ___ ___ what she wears（挑剔）.2.The public don't have ___ ___ the site（公众无权进入此地）.3.We should ___ ___ some time each day to write,even if it is only five minutes（节省,保留）.4.___ ___ （每次）h _____did i understand what she meantA,When B,At that time C,Only then D,What What love,do you only then understand?What I,can let you be moved? Then what? What then only then 不要用法, only then造句 Only then does not If only i knew then what i konw now.这句怎么解析 Then and only then中文意思是什么? What did they decide ___ then A.do B.to do C.doing D.to 将下列句子重新排列.A Do you watch TV after school?B At about 6:15C Do you take a bus to school?D And what time do you have breakfast?E At 6:00F No.I only watch TV on weekends.G How do you go to school then?H No,I don't.I What time do you get And then,so what? what will happen then