词类转换we must take part in indoor and outdoor____.(activity)

词类转换we must take part in indoor and outdoor____.(activity) 词类转换? We must study hard做句型转换 We must take our s___ seriously 句型转换 例句：1.She must leave early Must she leave early She need't leave earlyWe must take a taxi可以这样改吗?must we take a taxi?we needn't take a taxi.或者要把人称代词改成第二人称才是对的呢?搞不懂,比如must yo 词类转换 英语怎么说 英语词类转换 英语词类转换 we must keep happy同义句转换we must keep happy___is____ ____ keep happy we must clean the classroom every day同义句转换 We must take ____(act) before it is too late we must take good care of our e_______ we must take care of young children同义句 we must take good care of young children什么意思 We must take the rough with the smmoth是什么意思 You take care We must be strong and carry on, We must take a s____ approach to the problem Grandma is ill .We must take her to the ___