chaning characteristic什么意思是changing characteristic

chaning characteristic什么意思是changing characteristic 1,The doctor ___ some medicine for his headache.A、transcribed B、 described C、 prescribed D、 subscribed为什么选C?请翻译整句 2,Attitudes to daydreaming are chaning greatly. 1.No one had told Smith about ___ a lecture the following day.A.there beB.there would beC.there wasD.there being2.Attitudes ___ daydreaming are chaning greatly.A.toB.forC.onD.against3.Harry was ___ by a bee when he was collecting the honey.A.scratche 这两句话意思上有什么区别?I saw him change the wheelI saw him chaning the wheel第二句我能理解,就是说的我看见他正在换轮子.那么第一句呢?是说我看见他换了轮子已经换完了,还是刚开始换?还是只是