When_______,waterwillbeturnedintosteam.
A、heatedA
水被加热时会变成蒸汽。因为主句主语 water 和从句谓语 heat 的关系是被动的,所以用过去分词。
Ayearlater,withthenation’seconomy________,Bush’sapprovalratingdroppedbelow40percent
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask,theycanbereprogrammedbyacomputertodoanotherone.
Hewasspecificallyaskedtowriteaplaythatwouldbe________tothelocalcommunity.
Itisvitalthatthework_______intime.
Thisisthemostbeautifulvillage_______Ivisitedtheseyears.