When_______,waterwillbeturnedintosteam.
A、heatedA
水被加熱時會變成蒸汽。因為主句主語 water 和從句謂語 heat 的關系是被動的，所以用過去分詞。
Thegovernmentfinally________allthedocumentsrelatingtothewar.
Hewasspecificallyaskedtowriteaplaythatwouldbe________tothelocalcommunity.
________，hehadnotimetorest.
Thefarmingmethodshavebeen________improvedwiththeinventionofthenewmachine.
YouarethemostdirectyoungwomanIhaveever_______.
