单选题The flowers his friends&n

问题补充：

单选题Theflowershisfriendsgavehimwilldieif_______everyday.A.not wateringB.not wateredC.not to waterD.not being watered

答案：

B解析考查状语从句的省略。补充完整是The flowers his friends gave him will die if they are not watered every day.因为从句主语和主句主语一致，并含有be动词，可把从句的主语和 be省略。所以选B。