单用时是Be carefully还是Be careful?Why?

单用时是Be carefully还是Be careful?Why? You must be more _____next time.是careful 还是carefully be carefully with car be carefully on road 单选____,the experiment will be successful.A.If carefully doneB.If carefully doingC.If it done carefullyD.If doing carefully为什么选A不选D? 一道初一英语单选题Lily was so ___looking at the picture that she forgot the time.A,carefully B,carefulC,busilyD,busy我觉得选D (be busy doing sth)可是标准答案是选B,不是很了解是我错了还是标准答案错了?难道有be ca Ada mixed the pancake batter carefully so that there wouldn't be any lumps.---so that there wouldn't be any lumps.是adverb clause吧?但他修饰什么呢?mixed?还是carefully? 是Listen to carefully!还是Listen carefully? be的单三形式是啥? 是be quiet还是be quietly? 是be best还是be the best 是 be also 还是also be carefully up,be from的意思 You must be ___when you cross the street 可以是carefully吗？ You must before be carefully什么意思 .有人说这个意思 是“有多远走多远” 英语单选：Tom,you must drive () next time,or there may be another accldent.A more carefully B car英语单选：Tom,you must drive () next time,or there may be another accldent. A more carefully B carefully C careful Dmore careful Here be和there be用法一致吗?(there be的be是由紧挨着Be的名词的单复数来决定的,here be是吗 You should write them as careful as possible 是careful还是caerfullythe meeting will at3：00 this afternoon A happen bbe happened Ctake place D be taken place You should do your homework as。as possible 是careful 还是carefully 是真的是be real 还是be really