早教吧作业答案频道 -->英语-->
All of the preparations for the lask ------been completed and we"re ready to start.All of the preparations for the task ------been completed and we"re ready to start.A.have B.has C.had 理由,应选什么,选B,好不好,为什么
题目详情
All of the preparations for the lask ------been completed and we're ready to start.
All of the preparations for the task ------been completed and we're ready to start.
A.have B.has C.had 理由,应选什么,选B,好不好,为什么
All of the preparations for the task ------been completed and we're ready to start.
A.have B.has C.had 理由,应选什么,选B,好不好,为什么
▼优质解答
答案和解析
A
B和A只是个单复数的区别,句子主语是preparations,是复数,从此,谓语也应用复数形式
C项用了过去完成时,而从句子的后半句看,是现在时态,所以只能选A
B和A只是个单复数的区别,句子主语是preparations,是复数,从此,谓语也应用复数形式
C项用了过去完成时,而从句子的后半句看,是现在时态,所以只能选A
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